BOSE / T4S ToneMatch Mixer Digital Mixer

The BOSE T4S is an ultra-compact, four-channel mixer designed for artists who want to take full control of their music. Its intuitive, easy-to-use user interface and Bose's high-performance DSP engine deliver studio-quality equalization, dynamics, and effects. Built-in ToneMatch processing and zEQ create incredible sound.

Pairing it with the Bose S1/L1/F1 system delivers high-quality sound, meticulously crafted down to the smallest detail. Its rugged design, direct controls, easy-to-read LED display, and scene recall function make it a true live stage mixer trusted by artists of all stripes.

■High-Quality Audio Processing
The latest studio-quality effects and advanced digital audio processing elevate your musical performance to a new level. Equalization, dynamics, and effects are all independent for each channel, allowing you to mix as you wish. Bose ToneMatch processing, which brings out the natural timbre of vocals and instruments, and the integrated zEQ allow you to refine the tone you envision on the spot. Pairing the Bose S1/L1/F1 system with the T4S allows you to freely adjust the sound quality from input to output.

High-quality effects include compressors, limiters, de-essers, noise gates, choruses, flangers, phasers, tremolo, delays, and reverbs.

ToneMatch processing creates natural-sounding vocal and instrument sounds.

zEQ quickly and effectively adjusts your sound to match ToneMatch presets.

Independent ToneMatch, equalizer, dynamics, and effect settings for each channel.

A dedicated reverb for the aux output and a global shared reverb for use across all channels.

The master output features an equalizer to help compensate for the acoustic characteristics of the venue.


Combine with the S1/L1/F1 system for flexible sound adjustments from input to output.

Seamless Live Control

Equipped with illuminated controls and indicators for precise adjustments even on a dark stage. The intuitive interface allows you to instantly adjust settings, integrating you into the artist's performance. Also included are tap tempo delay, a chromatic tuner, and recallable scenes. This is the ultimate mixer for performing artists.

・Operation controls and indicators optimized for live performance
・Easy-to-use user interface
・Tap tempo delay, chromatic tuner, and recallable scene functions
・Easy-to-read LED display and illuminated controls, even on dark stages

■Abundant inputs and outputs packed into a compact body
In addition to its versatile controls, the T4S offers superior connectivity beyond its size. The four main channels feature high-quality preamps, XLR combo jacks for microphones and instruments, and switchable phantom power. Additionally, two auxiliary output jacks, two auxiliary input jacks, two ToneMatch ports for digital audio transmission and power supply, a USB (Type A) port for USB flash drive playback, a USB (Type B) port for connecting to a PC/Mac, a dedicated headphone jack, and a TRS phone analog output jack, making it compatible with any audio source.

- Versatile connectivity and control in a compact body
- 4-channel input with high-quality audio preamps, XLR combo jacks for microphones and instruments, and switchable phantom power
- 2 ToneMatch outputs for digital audio transmission and power supply (currently not used in Japan)
- 2 Aux outputs and 2 Aux inputs for additional audio sources
- USB-A and USB-B ports for playback from USB flash drives and PC/Mac connection
- Independent headphone output and balanced TRS stereo output

■ Convenient features for live performance
- Durable enclosure with magnetic protective cover to protect controls and connectors
- Bottom insert allows for convenient placement with various standard mounting accessories

■ Specifications
Dimensions (WxHxD): 18.4 x 8.3 x 21.4 cm
Weight: 1 kg
Inputs: 4 Main Inputs (Combo: XLR + TRS/TS), 2 Aux Inputs (TRS/TS), USB Port
Outputs: 2 Analog Outputs (TRS/TS), 2 Aux Outputs (TRS/TS), 2 ToneMatch Digital Audio Outputs, USB Port, Headphone Output
Included Items: T4S ToneMatch Mixer, ToneMatch Cable, Universal Power Adapter, Cover

Note: While the instruction manual states that the T4S does not include a power supply, a power supply is included for Japanese products.