Product Highlights
  • 20 Channels
  • XLR, 1/4" Connection
  • 24-bit Sample Rate
  • 16 Inputs
  • 44.1 / 48 / 96 kHz Sample Frequency
  • AD-19 AC Adapter Power
  • USB 2.0 Interface
  • 3.7 kg (8.1 lbs) Weight
  • 44.5 x 38.8 x 8.2 cm (17.5 x 15.2 x 3.2") Dimensions
Zoom Livetrak L-20R Live Mixer Recorder Zoom Livetrak L-20R Live Mixer Reco...
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Livetrak L-20R

Mix Remotely. Record Directly.

The Zoom LiveTrak™ L-20R is a rack-mountable digital mixer that allows musicians to control their live mix right from the stage. With wireless control, 20 discrete channels, 22 tracks of recording and six custom monitor mixes, the L-20R offers a complete solution for any venue.

Key Features:

  • 20 discrete channels (16 mono plus 2 stereo) with XLR or ¼-inch connectivity
  • 22-track simultaneous recording, 20-track playback
  • 22-in/4-out USB audio interface connectivity
  • Records up to 24bit/96kHz audio to SD card
  • Built-in compression control (Channels 1-16)
  • Main outputs plus 6 customizable monitor outputs
  • Dedicated headphone output for sound engineer
  • Scene saving function, up to 9 scenes saved at a time
  • 20 built-in chorus, delay and reverb effects with adjustable parameters
  • Compatible with Remote Mixer app for iPad

The Portable Mixer/Recorder That Does it All

Portable and Powerful

Featuring 16 mono mic/line inputs and two stereo inputs, the L-20R can handle the most demanding stages. The L-20R offers two EFX busses and each channel includes a 3-band EQ, pan controls and compressor.

22 Tracks of Recording

During your live performance, record 20 channels plus a stereo mix directly to an SD card, then transfer your tracks to your DAW for your final edit.

It’s Your Monitor Make It Your Mix

With six independent monitor outputs, the L-20R enables musicians to create their own custom mix. A dedicated output enables the FOH engineer to easily switch between monitoring the main and sub mixes.

 iPad Control

With iPads, the FOH engineer and 6 musicians can control their own mix, including fader levels, EQ settings, channel effects, and more from anywhere in the venue.

Scene Recall

With the LiveTrak L-20R’s Scene Recall feature, you can instantly recall up to nine different scenes with monitor mixes, EQ settings, effects, and more.

A Robust Audio Interface

The L-20R is a 22-in/4-out USB audio interface. Route inputs to any DAW, streaming software, or iOS device—even while recording to an SD card

A- Channel Strip

The 16 mono inputs include single-knob compression and gain control. At -128 dBu EIN with +60 dB maximum input gain, the L-20R is equipped with our quietest and most advanced preamps.

B- Navigation and Display

An encoder knob and bright, backlit LCD screen let you access an intuitive menu to create new projects, recall previous projects, and customize your recorder settings.

C- Bluetooth Adapter

The included BTA-1 connects a master iPad to the L-20R.  Other iPads connect to the master via wifi.

D- Transport Controls and Overdub

Transport controls include Record, Play/Pause, and Stop. The overdub feature allows you to record additional tracks to your current project.

E- Six Custom Monitor Mixes

“Master” and “Headphone” options allow you to design custom mixes for both the master and monitor outs. For each output, easily switch between a powerful headphone output and a balanced line output for in-ear and stage monitors.

F- Headphone Output for FOH

A dedicated headphone output for front-of-house enables the engineer to monitor any of the custom sub mixes as well as the master mix or soloed tracks.

G- USB Port

The L-20R features USB connectivity for transferring files or use as an audio interface.

H -SD Card

Record up to 512GB of audio to an SD card.

I - Customized Monitor and Master Outputs

Monitor Out allows up to six customizable monitor mixes. Additionally there is a left and right Master Out.

J- Broad Connectivity

The L-20R’s combo inputs support XLR or ¼-inch connections. Channels 1-2 offer Hi-Z inputs for electric guitar or bass. Channels 17/18 and 19/20 have TS line connectivity for keyboards and other audio devices, as well as RCA inputs.

What's Included

LiveTrak L-20R
AD-19 AC Adapter
BTA-1 Bluetooth Adapter
Rack Ears
Quick Guide


Product Specifications

L-20R Live Mixer Recorder

Number of Input & Output Channels

Inputs Mono (Mic/Line): 16
Stereo (Line): 2
Outputs Master Out: 1
Monitor Out: 6
Phones: 1

Inputs 1-16

Mono [Mic/Line] Type: XLR/TRS combo jacks (XLR: 2 HOT, TRS: TIP HOT)

Input gain 
PAD OFF: +16 – +60dB
PAD ON: − 10 – +34 dB
Hi-Z ON: +6 – +50 dB

Input impedance
XLR: 3 k Ω
TRS: 10 k Ω /1 M Ω (when Hi-Z ON)

Maximum input level
PAD OFF: 0 dBu (at 0 dBFS)
PAD ON: +26 dBu (at 0 dBFS)

Phantom power
+48 V
Stereo[Line] Type: TS phone/RCA pin (unbalanced) jacks
Maximum input level : +10 dBu


Master Out Type: XLR jacks (balanced)
Maximum output level :+14.5 dBu
Output impedance: 100 Ω
Monitor Out A-F [with balanced output] connected to monitor speakers Type: TRS phone jacks (balanced)
Maximum output level: +14.5 dBu
Output impedance: 100 Ω
Monitor Out A– F (with unbalanced output) connected to headphones Type: Standard stereo phone jacks
Maximum output level: 42 mW + 42 mW at 60 Ω
Output impedance: 100 Ω
Phones Type: Standard stereo phone jacks
Maximum output level: 42 mW + 42 mW at 60 Ω
Output impedance: 100 Ω


Master 1
Monitor 6
Send EFX 2

Channel Strip

Low Cut 40-600 Hz, 12dB/OCT
EQ HIGH: 10 kHz, ± 15 dB, shelving
MID: 100 Hz – 8 kHz, ± 15 dB, peaking
LOW: 100 Hz, ± 15 dB, shelving

Level Meters

Level Segments 12

Send Effects

Effects 20 types

Hall 1 (Reverb)
Hall 2 (Reverb)
Room 1 (Reverb)
Plate (Reverb) Church (Reverb)
DrumAmb (Reverb)
GateRev (Reverb)
Vocal 1 (Delay + Hall Reverb)
Vocal 2 (Delay + Mono Reverb)
Vocal 3 (Delay + Plate Reverb)

Hall 3 (Reverb)
Room 2 (Reverb)
Spring (Reverb)
Delay (Delay)
Analog (Delay)
P-P Dly (Delay)
Vocal 4 (Delay + Room Reverb)
Chorus 1 (Stereo Chorus)
Chorus 2 (Mono Chorus)
Cho+Dly (Chorus + Delay)


Maximum simultaneous recording tracks 22 at 44.1/48/96 kHz
Maximum simultaneous playback tracks 20
Recording format WAV 44.1/48/96 kHz, 16/24-bit, mono/stereo
Recording media 4 GB – 32 GB SDHC cards (Class 10 or higher)
64 GB – 512 GB SDXC cards (Class 10 or higher)

Audio Interface

44.1/48 kHz Recording: 22 channels
Playback: 4 channels
Bit depth 24-bit
Interface USB 2.0

System Requirements for Audio Interface Mode

Windows OS: Windows 7 SP1 or later / 8.1 / 10 (32bit/64bit)
CPU:  Intel Core i3 or faster USB: USB 3.0/USB 2.0
Mac OS: Mac OS X 10.11 / 10.12 / 10.13 / 10.14
CPU: Intel Core i3 or faster USB: USB 3.0 / USB2.0
iPhone / iPad OS: iOS 9 / 10 / 11

Card Reader

Class USB 2.0 High Speed

USB Host

Class USB 2.0 High Speed
Sampling Frequency 44.1/48/96 kHz
Frequency Characteristics 44.1 kHz: −1.0 dB, 20 Hz – 20 kHz
96 kHz: −3.0 dB, 20 Hz – 40 kHz
Equivalent input noise Actual measurements: -128 dB EIN (IHF-A) at +60 dB / 150Ω input
Display LCD with backlight (128 x 64 resolution)
Power AD-19 AC adapter (DC12V 2A)
Power Consumption 24 W maximum
External Dimensions 44.5 x 38.8 x 8.2 cm (17.5 x 15.2 x 3.2")
Weight 3.71 kg (8.1 lbs)

Questions & Answers

Zoom Livetrak L-20R Live Mixer Recorder

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