Allen & Heath XONE:DB4 4-Channel Digital DJ Mixer

SKU 6938122237308 Category Tag Brand:
Product Description

The heart of the Allen & Heath XONE:DB4 is the powerful Quad FX Core DSP engine, enabling each channel to have its own FX bank and BPM detection system, which automatically adjusts all time-related FX and loops to the tempo of the music.

Additional information

Weight 23.2 lbs
Dimensions 20.9 × 18.5 × 10.3 in

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The Allen & Heath XONE:DB4 is a truly ground-breaking mixer and by far one of the most advanced DJ mixers that Allen & Heath has designed. Every feature has been meticulously researched with a view to offering DJs ultimate creativity.

Based on the iLive pro-touring FX system, Allen & Heath developed FX algorithms with BPM conscious parameters and tight spectral control, customised to perfectly fit the DJ environment. As the loops and FX are automatically synchronised to the tempo of the track, it is very easy to build some amazing grooves and soundscapes without problems of latency, low fidelity and the general hassle often associated with using software and laptops.

The flexible input matrix allows any audio source to be selected on any or all of the channels. Different processing can be applied to the same track on separate channels and you can fade between them, or a phrase sampled in the looper of one channel can be added to the mix later in the track. Allen & Heath’s digital design team has done an incredible job to ensure that this is one of the most innovative and exciting DJ mix tools to date.

Quad FX Core

The heart of the Allen & Heath XONE:DB4 is the powerful Quad FX Core DSP engine, enabling each channel to have its own FX bank and BPM detection system, which automatically adjusts all time-related FX and loops to the tempo of the music. There are 5 studio quality FX types optimised for DJ use delays, reverbs, modulators, resonators and damage plus each FX type has a patch library of different effect variations. Each FX bank has a dedicated expression control and a rotary pot to set the wet/dry level, whilst further tweaking can be performed using the global controllers in the FX master section.

Pro-X-Fader Option

Retro-fit Pro-X-Fade option kit for the Allen & Heath XONE:DB4. Pro-X-Fade uses 100% conductive plastic tracks and a wider stem for extended fader life. Pro-X-Fade also allows the DJ to adjust both the feel of the fader and the cut-in point to suit their personal style. Speak to your approved Allen & Heath dealer or distributor for purchasing and fitting information.


X:LINK uses a standard RJ45 connector and distributes power and data allowing connection to X:LINK compatible devices, saving USB ports on your computer.


Each channel has a built-in looper, with selectable loop length from 1/16 beat to 4 bars. DB4 will always record the full 4 bars, so the loop can be expanded or shrunk at will.


DB4 comes equipped with the Xone dual filter system.

Source Select

Each music channel can select any of the available stereo music sources: Analogue Line 1-4 (switchable to Phono on 2-3), Digital 1-4 or USB 1-4.


Each music channel has a 3-band EQ that can be configured as standard asymmetric EQ ( 6/-26dB), Isolator ( 6dB/OFF with a 24dB/octave slope), or reconfigured as a High-Pass/Low-Pass filter system with adjustable resonance. EQ knob pointers change colour to show which type of equalization is active.

Mic/Line Input

The Mic/Line input has 2-band EQ, gain, cue and mix level. This can also be routed to all main input channels overriding Matrix analogue input channel 1 for adding FX and accessing the loopers.

Internal Soundcard

A built-in, high quality (24-bit / 96kHz), multi-channel, fully patchable USB2 soundcard allows replay and recording from audio software for 4 stereo sends and 4 stereo returns.


User-defined settings such as meter mode, BPM range, USB audio routing scheme and display brightness can be saved to a USB key for recall on another DB4.

MIDI Control

All controls (except Mic and Phones level) send MIDI data and the mixer can double up as a MIDI controller via the MIDI shift button, allowing the Loop and FX selection controls to send MIDI data without changing the mixer settings. DB4 can generate internal MIDI clock which can be used to control the tempo of a connected DAW via USB and the ability to change the mixers MIDI channel.

Output Patchbay

Booth, record and phones source selectable and level trim. Booth and main phase and level trim controls.

High-Visibility Display

The OLED display is clearly visible, even in bright sunlight, and displays channel FX selection and current BPM, as well as being an easy interface for the Menu setup functions.

Lightweight Chassis

DB4 lightweight aluminium chassis is designed to make touring with the console easy.

Allen & Heath XONE:DB4 Features

Total # Of Channels: 4

Input Connectors:

  • Channels 1-4: 4 x stereo RCA (channels 2 & 3 switchable line/phono)
  • Mic: XLR
  • Auxiliary: Stereo RCA
  • Digital: 4 x S/PDIF

Output Connectors:

  • Main: 2 x XLR
  • Booth: 2 x 1/4″ / 6.35 mm
  • Record: Stereo RCA
  • Deck Start: 4 x 1/8″ / 3.5 mm TS
  • Digital: 1 x S/PDIF
  • Headphone: 1 x 1/4″ / 6.35 mm and 1 x 1/8″ / 3.5 mm

Other Connectors:

  • X:Link: RJ45
  • USB Type-B: For computer sound card
  • USB Type-A: For memory stick (loading/saving settings & firmware updates)


  • Analogue/Digital Conversion: 24-bit
  • Analogue/Digital Line-Up: +12 dBu = 0 dB FS
  • DSP Processing: 24-bit I/O + 48-bit EQ
  • DSP Mix Bus: 56-bit fixed point
  • DSP Core Sampling Frequency: 48 kHz
  • USB Soundcard Sampling Frequency Range: 44.1 kHz to 96 kHz
  • S/PDIF Input Sampling Frequency Range: 32 to 192 kHz
  • SPDIF Output Sampling Frequency: 48 kHz


  • Main Output: 0 VU = +4 dBu
  • Monitor: 0 VU = +4 dBu
  • Record: 0 VU = +4 dBu
  • Maximum Output Level: +24 dBu balanced


  • Mic Sensitivity: -20 to -50 dB
  • RIAA Input at 1 kHz: 70 mV = 0 VU (200 mV max)

Frequency Response: Line In to Mix Out: 10 Hz to 20 kHz +0 / -0.5 dB

THD: Distortion 0.003% (-90 dB) unweighted at 1 kHz in at +0 Vu out


  • Main Mix Noise: -84 dBu (104 dB dynamic range, 22 Hz to 22 kHz unweighted)
  • Residual Mix Noise: -88 dBu (22 Hz to 22 kHz unweighted)

EQ Section:

  • 3-Band EQ: +6 dB boost / -26 dB
  • Total Kill: 3-band


  • Faders Fader Shutoff: -110 dBr
  • Power100 to 240 VAC, 47 Hz to 63 Hz, 30 W max
  • Dimensions (WxHxD): 12.6 x 3.5 x 14″ / 320 x 88 x 358 mm
  • Weight: 11 lb / 5.1 kg