Deals

Equipboard helps you discover, compare, and find the right gear for your sound.

Sign up Log in

Artist or band Music gear Music gear to an artist Report a duplicate

Contact us About Merch store

© Equipboard Inc.

x0x Heart main image

Photo of x0x Heart and more gear in a studio and synths

x0x Heart

x0x Heart

$20.00 to $25,671.00 Price Tier: High-end

See more

Find out who is using x0x Heart

1 community setup

0 wishlisted

3 saved

Page last updated Jan 16, 2026

Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated January 14, 2026.

Store

Reviews

Price

synthCube

$20.00

Crowd Supply

$25,671.00

Average Price: $12,846

High-end/Boutique

$149

$350+

Price Tier

In the Modular Synthesizers category, x0x Heart is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

^* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Edit description

Unleash the iconic sound of the TB-303 with the x0x Heart, a modular synthesizer component that brings legendary acid basslines to your Eurorack setup. This innovative kit is perfect for DIY enthusiasts eager to incorporate the unmistakable analog essence of the TB-303 into their own creations. With the x0x Heart, you get the core analog section of this classic synth, meticulously replicated with SMT components for a compact and affordable solution.

The x0x Heart is more than just a replica; it offers extended capabilities with digital control over key parameters like Accent, Slide, Decay, Waveform select, Cutoff, and Env Mod. This allows for greater flexibility and creativity when crafting your soundscapes. The module includes an assembled and tested SMT PCB, ensuring reliability straight out of the box, while the accompanying Pacemaker through-hole PCB and panel parts provide everything you need for a complete DIY Eurorack module.

Designed to fit seamlessly into your existing setup, the x0x Heart is equipped with a Eurorack power header and all essential I/O points pinned out for easy integration. Whether you're a seasoned synth builder or a newcomer to modular synthesis, the x0x Heart offers a unique opportunity to harness the sonic power of a classic instrument in a modern format.

Key Features:

Core analog section of the TB-303 replicated with SMT components
Digital control for Accent, Slide, Decay, Waveform select, Cutoff, and Env Mod
Eurorack power header for easy integration
Complete DIY kit with assembled SMT PCB and Pacemaker through-hole PCB
Compact and cost-effective solution for modular synthesis enthusiasts

Videos

Tomash Ghz

Hand made TB-303 clone (x0x heart)

Video thumbnail for Hand made TB-303 clone (x0x heart) by Tomash Ghz

Hand made TB-303 clone (x0x heart)

Tomash Ghz

Video thumbnail for x0x-heart Demo - Eurorack Modular Experiment by FatSynthDude

x0x-heart Demo - Eurorack Modular Experiment

FatSynthDude

Video thumbnail for Trying out the x0x-heart with the Tuesday procedural sequencer by This Is Not Rocket Science

Trying out the x0x-heart with the Tuesday procedural sequencer

This Is Not Rocket Science

This Is Not Rocket Science

Video thumbnail for x0x Heart Sequencer Progress by Alpha

x0x Heart Sequencer Progress

Alpha

Video thumbnail for x0x-heart Eurorack Module: The heart of a TB303 synth recreated in by Tech5

x0x-heart Eurorack Module: The heart of a TB303 synth recreated in

Tech5

Reviews

Based on 0 Reviews and 0 Ratings

5 star

4 star

3 star

2 star

1 star

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Intelligent Dance Music

Load More

Used With

Based on how musicians on Equipboard use x0x Heart, it is most commonly used with the following gear.

Novation AFX Station Limited Edition Synthesizer

Novation AFX Station Limited Edition Synthesizer Synthesizers

1

Mutable Instruments Stages

Mutable Instruments Stages Modular Synthesizers

1

ALM Busy Circuits 001 Pamela's Workout Module

ALM Busy Circuits 001 Pamela's Workout Module Modular Synthesizers

1

Erica Synths Sequential Switch

Erica Synths Sequential Switch Modular Synthesizers

1

Jak Plugg nanoRings

Jak Plugg nanoRings Modular Synthesizers

1

Mutable Instruments Peaks

Mutable Instruments Peaks Modular Synthesizers

1

Malekko Heavy Industry Corporation VARIGATE 4

Malekko Heavy Industry Corporation VARIGATE 4 Modular Synthesizers

1

Intellijel Metropolis

Intellijel Metropolis Modular Synthesizers

1

Mutable Instruments Grids

Mutable Instruments Grids Modular Synthesizers

1

Elektron Analog Four

Elektron Analog Four Keyboards, Synthesizers & MIDI

1

Load More

Community setups

sinkingfeeling

Gear IQ 299

3

More Modular Synthesizers

Make Noise Maths Modular Synthesizers

Make Noise Maths

$290.00 - $319.00

4 available stores

5.0 (43)

^# 1

in Modular Synthesizers Rank

Who’s using this:

Jonny Greenwood

39 artists using

Mutable Instruments Clouds Modular Synthesizers

Mutable Instruments Clouds

$236.72

1 available store

5.0 (34)

^# 2

in Modular Synthesizers Rank

Who’s using this:

25 artists using

Make Noise Morphagene Modular Synthesizers

Make Noise Morphagene

$1.29 - $3,421.95

5 available stores

5.0 (9)

^# 3

in Modular Synthesizers Rank

Who’s using this:

Jean Michel Jarre

20 artists using

Make Noise DPO Modular Synthesizers

Make Noise DPO

$599.00

2 available stores

5.0 (15)

^# 4

in Modular Synthesizers Rank

Who’s using this:

Jonny Greenwood

23 artists using

Make Noise Erbe-Verb Modular Synthesizers

Make Noise Erbe-Verb

$489.00 - $499.00

3 available stores

5.0 (6)

^# 5

in Modular Synthesizers Rank

Who’s using this:

Jonny Greenwood

22 artists using

Doepfer A-124 Wasp Filter Modular Synthesizers

Doepfer A-124 Wasp Filter

$86.00 - $104.50

4 available stores

4.5 (7)

^# 6

in Modular Synthesizers Rank

Who’s using this:

9 artists using

Make Noise René Modular Synthesizers

Make Noise René

$525.00

1 available store

4.5 (6)

^# 7

in Modular Synthesizers Rank

Who’s using this:

Jonny Greenwood

18 artists using

Doepfer A-140 ADSR Envelope Generator Modular Synthesizers

Doepfer A-140 ADSR Envelope Generator

$63.00 - $98.00

3 available stores

4.0 (8)

^# 8

in Modular Synthesizers Rank

Who’s using this:

Caterina Barbieri

8 artists using

Korg Volca Modular Modular Synthesizers

Korg Volca Modular

$132.00 - $179.99

10 available stores

4.0 (14)

^# 9

in Modular Synthesizers Rank

Who’s using this:

6 artists using

Mutable Instruments Rings Modular Synthesizers

Mutable Instruments Rings

$225.00

1 available store

5.0 (10)

^# 10

in Modular Synthesizers Rank

Who’s using this:

Jean Michel Jarre

10 artists using

Doepfer A-110 Standard VCO Modular Synthesizers

Doepfer A-110 Standard VCO

$96.34 - $225.00

3 available stores

4.5 (7)

^# 11

in Modular Synthesizers Rank

Who’s using this:

Igor Graziano Cavalera

6 artists using

Mutable Instruments Braids Macro Oscillator Module Modular Synthesizers

Mutable Instruments Braids Macro Oscillator Module

5.0 (26)

^# 12

in Modular Synthesizers Rank

Who’s using this:

26 artists using

Mutable Instruments Plaits Macro Oscillator Modular Synthesizers

Mutable Instruments Plaits Macro Oscillator

$222.71

1 available store

4.5 (11)

^# 13

in Modular Synthesizers Rank

Who’s using this:

8 artists using

Make Noise Mimeophon Modular Synthesizers

Make Noise Mimeophon

$339.00 - $399.00

3 available stores

5.0 (7)

^# 14

in Modular Synthesizers Rank

Who’s using this:

3 artists using

Doepfer A-118 Noise/Random Module Modular Synthesizers

Doepfer A-118 Noise/Random Module

$67.00 - $87.00

3 available stores

4.0 (4)

^# 15

in Modular Synthesizers Rank

Who’s using this:

9 artists using

Make Noise Pressure Points Modular Synthesizers

Make Noise Pressure Points

$96.34 - $239.00

3 available stores

5.0 (7)

^# 16

in Modular Synthesizers Rank

Who’s using this:

19 artists using

Xaoc Batumi Modular Synthesizers

Xaoc Batumi

$39.99 - $269.00

2 available stores

5.0 (2)

^# 17

in Modular Synthesizers Rank

Who’s using this:

8 artists using

Expert Sleepers Disting Mk4 Modular Synthesizers

Expert Sleepers Disting Mk4

$42.02 - $179.00

2 available stores

5.0 (6)

^# 18

in Modular Synthesizers Rank

Who’s using this:

3 artists using

Intellijel Cylonix Shapeshifter Modular Synthesizers

Intellijel Cylonix Shapeshifter

$399.00 - $565.00

4 available stores

5.0 (9)

^# 19

in Modular Synthesizers Rank

Who’s using this:

9 artists using

Make Noise Maths (Classic) Modular Synthesizers

Make Noise Maths (Classic)

$290.00

3 available stores

5.0 (2)

^# 20

in Modular Synthesizers Rank

Who’s using this:

4 artists using

Doepfer A-156 QNT Dual Quantizer Modular Synthesizers

Doepfer A-156 QNT Dual Quantizer

$116.00 - $161.00

3 available stores

5.0 (2)

^# 21

in Modular Synthesizers Rank

Who’s using this:

5 artists using

Make Noise STO Modular Synthesizers

Make Noise STO

$199.00 - $219.00

5 available stores

5.0 (6)

^# 22

in Modular Synthesizers Rank

Who’s using this:

Jean Michel Jarre

6 artists using

Arturia RackBrute 6U Modular Synthesizers

Arturia RackBrute 6U

$341.00 - $359.00

5 available stores

5.0 (4)

^# 24

in Modular Synthesizers Rank

Who’s using this:

Nadia Struiwigh

2 artists using

Doepfer A-145 LFO Modulation Generator Modular Synthesizers

Doepfer A-145 LFO Modulation Generator

$67.00 - $88.00

4 available stores

4.5 (2)

^# 23

in Modular Synthesizers Rank

Who’s using this:

5 artists using

Doepfer A-138 Mixer Modular Synthesizers

Doepfer A-138 Mixer

$65.00 - $81.00

2 available stores

4.0 (6)

^# 25

in Modular Synthesizers Rank

Who’s using this:

Igor Graziano Cavalera

8 artists using

Make Noise QPAS Modular Synthesizers

Make Noise QPAS

$379.00 - $409.00

4 available stores

5.0 (4)

^# 26

in Modular Synthesizers Rank

Who’s using this:

4 artists using

Make Noise Echophon Modular Synthesizers

Make Noise Echophon

$319.96

1 available store

5.0 (7)

^# 27

in Modular Synthesizers Rank

Who’s using this:

Jonny Greenwood

Venetian Snares

15 artists using

Make Noise 0-CTRL Modular Synthesizers

Make Noise 0-CTRL

$399.00 - $438.00

4 available stores

5.0 (1)

^# 28

in Modular Synthesizers Rank

Who’s using this:

Alessandro Cortini

6 artists using

Intellijel Quad VCA Modular Synthesizers

Intellijel Quad VCA

$160.57 - $3,421.95

7 available stores

5.0 (1)

^# 29

in Modular Synthesizers Rank

Who’s using this:

5 artists using

Make Noise Tempi Modular Synthesizers

Make Noise Tempi

$259.00 - $282.00

3 available stores

5.0 (4)

^# 30

in Modular Synthesizers Rank

Who’s using this:

Caterina Barbieri

6 artists using

Doepfer A-119 Ext.In. Modular Synthesizers

Doepfer A-119 Ext.In.

$73.00 - $98.00

3 available stores

5.0 (1)

^# 31

in Modular Synthesizers Rank

Who’s using this:

3 artists using

ALM Busy Circuits Pamela's NEW Workout Modular Synthesizers

ALM Busy Circuits Pamela's NEW Workout

$8.75

1 available store

5.0 (7)

^# 32

in Modular Synthesizers Rank

Who’s using this:

Igor Graziano Cavalera

8 artists using

Make Noise Phonogene Modular Synthesizers

Make Noise Phonogene

$288.14

1 available store

5.0 (5)

^# 33

in Modular Synthesizers Rank

Who’s using this:

Jonny Greenwood

14 artists using

Korg MicroKORG Synthesizer/Vocoder BLACK Modular Synthesizers

Korg MicroKORG Synthesizer/Vocoder BLACK

$389.00 - $538.00

4 available stores

4.0 (5)

^# 34

in Modular Synthesizers Rank

Who’s using this:

Declan Mehrtens

3 artists using

Make Noise Optomix Modular Synthesizers

Make Noise Optomix

$209.00 - $215.00

2 available stores

4.5 (6)

^# 35

in Modular Synthesizers Rank

Who’s using this:

10 artists using

Noise Engineering Basimilus Iteritas Alter Modular Synthesizers

Noise Engineering Basimilus Iteritas Alter

$270.00

1 available store

5.0 (5)

^# 36

in Modular Synthesizers Rank

Who’s using this:

5 artists using

Strymon Magneto Four Head dTape Echo and Looper Modular Synthesizers

Strymon Magneto Four Head dTape Echo and Looper

$512.00 - $599.00

7 available stores

4.5 (2)

^# 37

in Modular Synthesizers Rank

Who’s using this:

Anthony Marinelli

3 artists using

Behringer 2600 Modular Synthesizers

Behringer 2600

$279.90 - $469.00

8 available stores

5.0 (2)

^# 38

in Modular Synthesizers Rank

Who’s using this:

The Toxic Avenger

3 artists using

Yamaha TX816 Modular Synthesizers

Yamaha TX816

$29.99

1 available store

5.0 (11)

^# 39

in Modular Synthesizers Rank

Who’s using this:

Allan Holdsworth

41 artists using

Intellijel Metropolis Modular Synthesizers

Intellijel Metropolis

$449.00 - $580.00

2 available stores

5.0 (9)

^# 40

in Modular Synthesizers Rank

Who’s using this:

Jesse F. Keeler

13 artists using

See also: Modular Synthesizers, High-end Modular Synthesizers

Artist usage

Add artist usage

Similar

Add recommendation

Added to Equipboard on 05-14-2021 by

delta9

Gear IQ 134