Modular
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Pedal S-R is the perfect stereo interface for integrating external effects into your Eurorack system. This compact stereo pedal insert adapts hot modular signal levels to the levels and impedance required by stereo or mono stompboxes, pedals and outboard gear, making it simple to route modular sounds through your favorite effects.The Sends section attenuates typical Eurorack signals (≈10 Vpp) down to usable line or instrument levels so pedals behave as intended and clipping is avoided. The Returns section includes a dedicated volume control to blend processed signal back into the modular at a comfortable level, keeping your patch balanced and musical.Pedal S-R also features a Hi-Z switch that lets you select between standard and high-impedance inputs. Flip it when connecting pedals or effects that expect a guitar amp or passive pickups to preserve tone, dynamics and clarity.Features:• Fully compatible with Befaco 7U Case and Intellijel 7U and Palette cases rear Jack connectors• 1U Intellijel format• HI Z switch• Full control over the relationship between your modular system and external pedals or effects unitsDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Percall is a percussive oriented module that will shape four different sound sources into percussive sounds. Percall has four VCAs with dedicated decay envelopes and a mixer, so you can prepare a percussion submix. Added strength input will provide extra dynamics to the sounds! To round up the module, audio inputs are normaled from one to two and from three to four, spicing them up with choke control. This allow to create open and closed Hats or kind of side-chained baselines with your kick.Features:• Four VCAs with dedicated decay envelope.• CV control over envelope decays.• Individual outputs for each envelope• Volume control per channel and normaled Mix out.• Strenght input affecting all four channels.• Audio Input 1 normaled to Input 2. Audio input 3 normaled to input 4.• Choke contrrols, binding Channel one with two and three with four.DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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Vinyl culture and modular synths come together in a high-fidelity phono stage built for Eurorack. This compact module brings turntables into the modular domain, letting you run hybrid DJ sets, add scratching and turntablism techniques to patches or simply enjoy your favorite records with true analog warmth.A high-gain amplifier offers selectable RIAA and LINE IN modes plus a ground bonding post to eliminate hum. The stage accepts all common MM cartridges and delivers the gain needed to match vinyl playback to modular levels, preserving dynamics and tonal character.Top-mounted, high-quality RCA connectors make setup and operation fast and hassle-free, keeping cables tidy and accessible during performance. Use this phono stage to integrate turntable textures into modular sound design, expand live sets with vinyl elements or add authentic record playback to the studio.Features:• High-quality RCA connectors• Ground connection for old-school turntables with bidding posts• Hi-gain amplifier with selectable RIAA and LINE INs, and a ground binding post• Accepts all kinds of MM cartridgesDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Space-conscious lowpass filter and volume processor. A combination of VCF + VCA + Mixer that lets you mix three different sound sources, and shape their tone, and levels in a breeze. The Pony Filter is built around the SSI2144 FATKEYS™ Chip. Has the elegant sound of the classic transistor filter without the associated distortions, due to Dave Rossum’s “improved ladder” topology.Features:• 3 Channel Mixer (Out normalized to channel three for feedback)• Temperature-compensated Q and frequency• Compensated Volume VS Resonance• 2 Cuttof CV INs• CV 1 Selectable routing Cut-Off or Cut-Off+VCA• Voltage controlled Q• Two Segment Peak MeterDIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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Analog Thru-Zero Wavefolding VCO/LFOPony VCO is a fully analog Thru-Zero oscillator with wavefolder and dedicated VCA in only 4HP. The module offers great stability and tuning capabilities thanks to its powerful core, based on Sound Semiconductors IC. It comes with range selector, that allows it to go down to LFO range, as well as octave and waveform selectors.In Through Zero oscillators, frequency is controlled by either positive and negative voltage. If FM CV goes below zero, the core will continue oscillating inverting its phase. This “little” change of behaviour allows the core to create a whole new range of timbres that are just impossible to achieve with regular VCOs. If you set the module as LFO, the range of funky modulations will be endless!There is a separate panel for conversion to 1U available. You can use the 1U panel with the normal 3U module, but have to buy it additionally and you have to make some changes by soldering a hand full of SMD parts, but it's quite easy. 1U format keeping the same functionality and control layout.In Through Zero oscillators, frequency is controlled by either positive and negative voltage. If FM CV goes below zero, the core will continue oscillating inverting its phase. This “little” change of behaviour allows the core to create a whole new range of timbres that are just impossible to achieve with regular VCOs.If you set the module as LFO, the range of funky modulations will be endless!Features:• Through Zero Frequency Modulation• Wavefolding (Timbre)• Pulsewidth Modulation (PWM)• SYNC• VCA• LFODIY-Kit-Type:Semi-DIY-Kit. Most of the components are completely ready, you only have to assemble panel, knobs and some screws/washers.
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Rampage is Befaco’s approach to an old invention: the Serge/Buchla ramp generator.We took the idea of a “patch programmable” function generator/processor, put two units in the same module and expanded them with new functions and ways to combine them: Slope detectors, analogue logic functions and evolved outputs.RAMPAGE APPLICATIONS• Voltage controlled Attack Decay envelope.• Attack Sustain Release Envelope .• More complex ADSR Style Envelope.• Dual VCO. With Square, PWM, Saw, Log, Exp and Triangle shapes. Hard and soft sync.• Gated VCO• VCO + Analog AND Gate (As ADTimbral VCA)• Dual Low Pass Filter• Dual Low pass Filter with VCO soft sync.• Low Pass Filter + AD Envelope• Dual “syncable” voltage controlled LFO with Square, PWM, Saw and Triangle shapes)• Complex LFO . Function combination.• CV controlled and “Ping-Pong” LFO.• Dual Slope detector. Distinguishes when and incoming signal (CV or audio) is rising or falling, and generates gates in concordance.• Comparator. Send a gate when B IN is bigger than A IN• Polyrythmic gate generator. With both channels synced between each other, it generates several “complex rhythm” gates.• Voltage controlled Slew limiter with independent attack and decay control and continuous variable shape between Log, linear and exponential• Peak Voltage follower. Max Out follow the maximum Level of the two inputs.• Minimum Voltage Follower. Min Out follow the minimum level of the two inputs• Envelope follower with adjustable response for rising ans falling flanks.• Voltage controlled Trigger Delay .• Burst Generator.Features:• Built around two voltage controlled Integrators aka Lag Processors.• Convert square signals into ramp waveforms• Achieve “Portamento” or “Glide” effect when applied to pitch CV signals.• Basic lowpass filteringDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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The Sampling Modulator is a multi-function module that lies somewhere between a VCO, a Sample & Hold, and an 8 step trigger sequencer.Sequencer Clocked Sample & Hold In this mode it acts like a regular Sample and Hold (S&H) but since it is “sequencer clocked”, it is capable of much more interesting patterns than the usual S&H melodies.The CLOCK input can work in two ways: 1. As a typical clock 2. In “positive going hard sync” mode allowing you to create shuffling and polyrythmic effects.The HOLD input can be used to keep certain notes playing.Analog Down-Sampling Effect In this mode (with the clock running at audio rates) you can go from nasty and harsh sampling rate reduction to an almost clean signal. (The clock run up to 25Khz without external CV and up to 200Khz with CV on the input).Sampling Modulator/Shaper Thanks to the V/Oct clock, by feeding a simple waveshape such as a sine wave to IN, and pitch CV to the VCO as well as to the Sampling Modulator CV input, their related frequencies and aliasing caused by the sampling rate reduction are capable of creating clangorous metallic sounds, 8 bit textures and much more.The game becomes much more interesting when you try to destroy the wave by flipping on and off the switches of the sequencer (which at times can make it sound like three VCOs running in unison).To understand how the Sampling Modulator works, keep in mind that we are working with a temperature compensated ramp core VCO with more than 4 octaves of tracking. This allows the timbre to stay the same while you move through the scale as the internal and external VCOs are synced in a fashion similar to “frequency related sampling rate modulation”Unusual V/oct VCO You can use the trigger outputs as a pulse VCO. Flipping the switches on and off the switches can offer a lot of interesting timbral changes.Sequencer Clocked Sample & Hold In this mode it acts like a regular Sample and Hold (S&H) but since it is “sequencer clocked”, it is capable of much more interesting patterns than the usual S&H melodies.The CLOCK input can work in two ways: 1. As a typical clock 2. In “positive going hard sync” mode allowing you to create shuffling and polyrythmic effects.The HOLD input can be used to keep certain notes playing.Analog Down-Sampling Effect In this mode (with the clock running at audio rates) you can go from nasty and harsh sampling rate reduction to an almost clean signal. (The clock run up to 25Khz without external CV and up to 200Khz with CV on the input).Sampling Modulator/Shaper Thanks to the V/Oct clock, by feeding a simple waveshape such as a sine wave to IN, and pitch CV to the VCO as well as to the Sampling Modulator CV input, their related frequencies and aliasing caused by the sampling rate reduction are capable of creating clangorous metallic sounds, 8 bit textures and much more.The game becomes much more interesting when you try to destroy the wave by flipping on and off the switches of the sequencer (which at times can make it sound like three VCOs running in unison).To understand how the Sampling Modulator works, keep in mind that we are working with a temperature compensated ramp core VCO with more than 4 octaves of tracking. This allows the timbre to stay the same while you move through the scale as the internal and external VCOs are synced in a fashion similar to “frequency related sampling rate modulation”Unusual V/oct VCO You can use the trigger outputs as a pulse VCO. Flipping the switches on and off the switches can offer a lot of interesting timbral changes.Features:• Sequencer Clocked Sample & Hold• Analog Down-sampling Effect• Sampling Modulator/Shaper• 8 Step Trigger Sequencer• Unusual V/Oct VCODIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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Voltage-controlled lag processor and slope detector - 2025 versionTransforms stepped notes into smooth acid slides with independent speeds for both upper and lower notes.The onboard slope detector generates gates while the output is rising or falling, allowing events to be activated when moving to upper or lower voltages.Additionally, it can convert a gate signal into an Attack-Sustain-Release (ASR) envelope.The shape control feature helps balance speed versus input range, enabling quicker speed while sliding to further notes allowing for time compensated portamento.DIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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This is our take on an analog spring reverb module. Featuring VCAs for the two available inputs (with different routing), CV control for DRY/WET and visual feedback for signal levels at input and output of the tank.Reverberation can be defined as the sum of all the reflections created from an initial sound source within a space, at a point within that space, over time.To simulate this effect we can pass a sound through a spring with two transducers at either end. As the sound propagates it will cause the spring to expand and contract, creating a series of reflections that are picked up by the transducers (along with the original sound). This creates a simulation of reverberation with (in the case of spring of the reverb) a characteristic and classic colour.Electronically generated audio will usually sound starkly different to acoustically generated sound. This is more-often-than-not a desirable thing, but there are times when you might want to bring the “depth” of an acoustic environment back into your mix.The obvious difference between acoustic and synthesised sounds is that acoustic instruments have resonators, and exist in reverberant spaces. One way to add depth to an electronic sound is to somehow simulate the characteristics of a space, and mix this with the original signal.Features:• Two CV controlled audio inputs. In 1 (routed to Dry) and In 2 (routed directly to the tank)• Two independent Mix and Wet output.• High-pass filter on tank’s input to control the colour of the reverberation.• Vu-Meter to visualize level on Wet output.DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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STMix is a compact 4 channel stereo mixer with an auxiliar input. This input will allow us to chain a few of them or to insert an extra fifth input.This module is compatible with our Hexmix System and can be internally connected to the Hexmix module to add the output of STMix to your main mix.Features:• Four channels stereo inputs with volume control• Aux input straight to the Mix out• Input Impedance selector• Level meter LEDs• Connector in the back to interface with Hexmix module.DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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STMix is a four-channel stereo mixer in 28 HP and 1U format. It can work independently or as an expansion of our Hexmix module via the six-pin connector located in the back. The module is designed under the Intellijel 1U format.Features:• Four channels stereo inputs with volume control.• AC Coupled inputs to improve audio performance.• Output clipping LED indicators.• Connector at the back to interface with the Hexmix module.• 1U Intellijel format.• Pulp Logic Panel format available on demand. Call Befaco.DIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Total flexibility for the Befaco 7U or Intellijel cases rear connectors jacks. The channels are reversible and can be used independently for input or output.4 Inputs or Outputs (per module) can be obtained by “AND” cables. Independent tip and ring attenuators are selectable for each channel to convert the modular input level to line output level.Features:• Selectable atenuator per channel.• Fully compatible with Intellijel’s 7U and Palette cases.• 1U Intellijel format.DIY-Kit-Type:SMD-Kit-2. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. It includes SMD and through-hole parts! For build guide, more info, videos etc. please check the buttons below.
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The VC ADSR is our take on the classic ADSR: now smaller, more powerful and user friendly. The circuit is based in a dual transistor “Current Mirror” (a voltage controlled integrator) and switching logic.Phase Time Limits:Attack: Min 3.0ms (down to 200µS with negative CV) // Max 10sDecay: Min 2.8ms (down to 400µS with negative CV) // Max 10sRelease: Min 2.8ms (with Sustain at maximum) // Max 10sFeatures:• Voltage controlled stages with manual control.• Gate output on each stage of the envelope.• Push button and Gate/Trigger input• Control of the response curve between each stage of the envelope (from linear to logarithmic/exponential)DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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This thing is totally awesome! Why? Imagine your plugins being controlled from your modular by CV! VCMC is a voltage-controlled MIDI controller. A fully editable MIDI controller with eight faders and push-buttons. Each of them with a CV or Gate input associated to automate their functioning via external signals or to be configured independently for further control. Each control on VCMC can be edited on its OLED screen and will be output either via DIN-5 or USB as a class-compliant MIDI device. DIYers can modify the module to make it standalone.Features:• Class-compliant USB MIDI and DIN5 connectors.• 10 CV inputs And 8 gate inputs.• 8 Faders and 8 Buttons.• Controls fully mappable to any MIDI message (CC, Notes, Program change, Clock, ST/SP, NRPN…)• Configurations saved both in internal memory and via Sysex.• Online Web EditorDIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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An accurate voltage source and precision adder. Voltio fits somewhere between a music tool and a piece of electronics lab gear.It generates voltages equivalent to all the notes on the 12-tone equal temperament scale throughout a ten-octave range, with an intuitive two-knob interface.The Precision Adder In, lets you sum Voltio’s Out with external voltages.Additionally, the front panel banana connectors let you plug standard multimeter probes for hands-free operation on electronics lab.Use it to transpose Oscillators and sequences in a musical way or as a reference to calibrate your analog gear.Features:• Easily adjust your oscillators in known intervals.• Transpose Musical phrases from sequencers, arpeggiators, or any other notes source.• Calibrate oscillators and filters on your DIY projects or during analog gear maintenance.DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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The Mutes mk2, developed in collaboration with Ben Wilson (aka DivKid), is a powerful upgrade to the original performance muting module. Now using VCA-based technology, it delivers improved signal integrity, reduced noise floor, and zero bleed, while preserving the smooth, vactrol-style response. Each channel features a performative three-way switch (momentary–off–on), perfect for live dub-style FX routing and dynamic signal control. Mutes Mk2 enables signal splitting to multiple destinations, expanding your modular performance possibilities. This updated version includes both a standard 3U panel and an additional Intellijel-format 1U panel, allowing for versatile mounting in various Eurorack setups.Features:• LEDs to visualise signals• 3 way momentary – off – on switching• Buffered and cascading normalising of inputs• Black metal panel• VCA based mutingDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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The Output Bus is your ultimate output module: Presented by DivKid and Befaco, meant to be the last link in your modular chain!Inspired by pro audio and studio summing units the Output Bus allows for summing style mixing, external gear integration, soft clip limiting, flexible output types, headphone monitoring and level visualization.The module works great mixing all your other mixers in your setup, to return mono or stereo FX into the master bus and for bringing in external stereo line level gear with ease. All of this in just 8HP while also being able to visualize your final levels, output appropriate signals on the right cable type and monitor in headphones.Features:• Six stereo inputs.• Line/synth selector in input six.• Modular level minijack out.• 6,5 mm Jack balanced out.• Minijack and 6,5 mm phones out.• Led Vu-meter.• Soft clipping circuit at main output.DIY-Kit-Type:THT-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. Only trough-hole parts to solder. Make sure to check the build guide before you buy. For build guide, more info, videos etc. please check the buttons below.
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Stereo Strip takes the idea of a channel strip and makes it modular. We hope that by bringing this long-established component of the audio engineering world into the Eurorack environment and by adding CV control over its key parameters that you will find new, creative ways to use it in your patches!It features stereo inputs and outputs for audio or CV with EQ, voltage controlled panning, stereo VCA, performable mute and input/output level switching for Eurorack or line level uses. Abusing the input level switching allows for some musical, modulate-able and highly shapeable distortion sounds too.Stereo Strip was designed to be a creative part of a modular patch. Creating stereo images from mono sources, shaping and modulating existing stereo images, synthesising stereo pseudo ring modulation, sweetening FX with EQ or drastically wave shaping your oscillators, creating send FX routings with benefits or it can simply be used as a channel strip at the end of chain in a patch.The addition of line level gain boosting (for the input) or reduction (for the output) allow it to work as a stereo input or output interface for external gear with the advantage of the VCA, panning and the EQ to shape the sound. Experiment with bringing external gear into the Eurorack format and then shape and modulate those sounds them on the way in!Try patching Stereo Strip anywhere you would place a VCA in a system and/or explore its EQ and voltage controlled panning, which are rarer additions to the sound sculpting options for the Eurorack format.This module is designed in collaboration with Ben Wilson aka Divkid.Features:• 3 band EQ• Panning (manual and voltage controlled)• VCA level control (manual or voltage controlled)• 3 way performance muting (on-off-momentary)• Soft clipping limiter (distortion!)• Line level input and/or output adjustmentDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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This is our new collaboration with Robin Vincent aka Molten Music Technology. A Stereo bypass module to gate control the send of your signals to your favorite effect!Molten bypass features a hard/soft bypass control, to hard cut the return of your effect or allow the long tails of your reverb to stay after you bypass the effect. Also a gate/latch control to use either triggers or gates for control and a gain control for the returned signal.Features:• Full stereo signal path• DC coupled• Hard or soft bypass selection• Gate or Latch possibility• Manual or Gate control• Gain control over the returnDIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
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Motion MTR allow you to mix, attenuate and invert signals while having clear visual feedback of their levels.Each channel can function as:• Audio level control with VU meter• CV attenuator with voltage meter• CV inverter with voltage meterEach input is normalled to 10v, so you can use each of them to generate fixed voltages. Also, the outputs of channels 1 and 2 are summed into Out 3 to be used as a mixer. Patch it wildly to make it work as an attenuverter with offset, as a mixer, a VU meter or a combination of them all!This module is designed in collaboration with Robin Vincent from Molten Modular.DIY-Kit-Type:SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.