Definitive Audio TM 633 BU-dsp
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Manufacturer Information
Definitive Audio
https://www.definitiveaudio.co.uk
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Essential Information About the 12-Channel Bluetooth/USB Mixer
- Complete and Flexible Connectivity: 6 combo XLR/6.35mm Jack inputs, 2 mono 6.35mm Jack inputs, 2 RCA inputs, and 1 AUX input via 3.5mm jack to handle microphones, instruments, and consumer audio sources.
- Autonomous and Modern: built-in Bluetooth receiver + USB player/recorder compatible with MP3/WAV/APE/FLAC for quick streaming and capturing of a mix.
- Integrated Processing: 24bit/48KHz DSP with 99 effects + 3-band equalization and low-cut filter to shape sound without additional equipment.
- Stage-Ready: main outputs in XLR, monitor outputs in 6.35mm Jack, headphone output 6.35mm Jack, LED indicators (level and clipping), and +48V phantom power with indicator.
A Compact Console Designed for Modern Setups (Rehearsal, Home Studio, Small Gigs)
Compact mixers have established themselves as the nerve center of lightweight configurations: they combine microphone/instrument inputs, master level control, and essential correction tools in one format. This 12-channel mixer follows this "all-in-one" logic by adding features that have become essential for everyday use, such as Bluetooth streaming and USB recording, while maintaining traditional ergonomics (panning, faders, monitoring, and LED indicators) suitable for both stage conditions and home working sessions.
Who Is It For and What Are Its Uses?
This 12-channel mixer is ideal if you need to manage multiple sources simultaneously: vocal microphones, guitar/keyboard, backing tracks, or even hold music from a smartphone. It is particularly suitable for rehearsals, small gigs (duo/trio, conferences, events), ambient music playback, as well as home studios when you want a simple solution to balance multiple inputs and capture a recording via USB. The monitor outputs and headphone output also facilitate mix control, whether you are front of house or at a dedicated station.
Technical specifications
| Type | Hybrid | Rackable | No |
| USB stereo recording / playback | Yes | Headphone output | Jack 6.35 |
| Number of faders | 7 | ||
Questions frequently asked
Definitive Audio TM 633 BU-dsp: How many microphones and sources can be connected?
The mixer features 6 combo XLR/6.35 mm jack inputs, supplemented by 2 mono jack inputs, 2 RCA inputs, and a 3.5 mm mini-jack AUX input. Two stereo channels facilitate connection of stereo sources.
Does the TM 633 BU-dsp support USB recording?
The USB player/recorder supports MP3, WAV, APE, and FLAC formats.
What effects are integrated into this mixing console?
The onboard DSP processor includes 99 effects with 24-bit / 48 kHz resolution. These effects can be used to add depth to vocals or guitar without an external processor.
What monitoring outputs are available?
For mix monitoring, there are 2 Monitor outputs in 6.35 mm jack and a headphone output in 6.35 mm jack. The main outputs are male XLR connectors. A general 2 x 6 LED vu-meter allows monitoring of output level.
Is the console suitable for rehearsals and small gigs?
With its 12 channels, Monitor outputs, and 99 DSP effects, this model is designed for rehearsals, duos, conferences, and events. Its dimensions of 330 x 265 x 75 mm and weight of 2.5 kg make it easy to integrate into a lightweight setup.



