In search of an ultraportable, battery-powered mixer, multichannel audio interface, and recorder? Check out the teenage engineering TX-6, a pint-sized powerhouse that manages to squeeze a ton of features into this CNC-machined aluminum enclosure with custom-made encoders and faders. The device can be used as a multifunctional 32-bit / 48 kHz audio interface with effects including reverb, chorus, delay, freeze, tape, filter, distortion, and more.

The TX-6 features six 3.5mm TRS inputs, a 3.5mm aux output, a 3.5mm cue (headphone) output, and a 1/4" main output with an included 3.5mm adapter. Each channel sports three encoders that are completely customizable. Use them as a 3-band EQ or assign each knob to control whichever settings you prefer. The TX-6 is highly versatile and includes tempo sync, an onboard synthesizer, drum machine, and sequencer. There's an onboard tuner, plus you can connect to both a computer or to your iOS device (MFi compatible). A USB-C cable is included.

6 Stereo Inputs and 2 Stereo Outputs    Battery Powered: Up to 8 Hours of Use    8 Built-In Effects with Reverb and Delay    Onboard Synthesizer and Sequencer    Stereo Headphone Output with Mic Support    Audio/MIDI Interface (32-Bit / 48 kHz)    48x64 Monochrome OLED Display    Built-In Tuner + MFi Compatibility    Bluetooth LE + DJ Mode    USB-C Cable Included

Firmware Update 1.2.5

• Added beat tracking of audio input signals.
• Improved tap-tempo control.
• Added one decimal for finer BPM adjustment.
• Added tempo sync to Pong Tape FX.
• Improved DC-blocking filter on inputs.
• Added MIDI CC control of track gain setting.
• Added MIDI CC control of sequencer pattern.
• Use range 0-127 for all MIDI CCs.
• Made quick access selection persistent.
• Fixed issue when device was started with USB disk inserted.
• File corruption is prevented when powering off during recording.

Firmware Update 1.1.4

• USB mass storage disk record/playback for 24-bit 48 kHz stereo WAV files, including armed recording with automatic start on audio detect.
• PO-sync output on aux and cue, with selectable 8th note for PO-sync and 16th note for modular systems.
• External MIDI control of all TX–6 parameters, for complete remote control over MIDI.
• Extended MIDI support for synth mode to play the synth chromatically using MIDI notes from an external keyboard.
• Added Scenes to save and load all settings.
• USB audio multiple sample rate support: 48 kHz and additionally 44.1 kHz, for compatibility with MPC live etc.
• BLE MIDI clock in/out support with clock routing settings.
• BLE host mode to connect peripherals like BLE MIDI keyboards.
• Switchable aux and cue outputs, to be able to utilize the higher output level of the aux jack if needed for high impedance headphones.
• Added balanced mono input mode in addition to the stereo / mono / split modes.
• Parameters keep their values until a knob is moved, making it easier to switch knob config without undesired behavior.
• No snap back of the freeze FX parameter. Click to reset instead.
• Smoother change of FX I send.
• Stability bug fix for USB MIDI host mode.
• USB audio mode set on menu exit, instead of directly.

The rechargeable battery holds for about 8 hours. For energy efficiency, the display automatically goes to sleep when not in use, and LED strength is completely adjustable.

TX-6 also functions as a portable synthesizer and sequencer with 4 oscillator waveforms and 4 synthesized drum sounds. Use tempo sync to stay on the beat.

Explore send effects like reverb, chorus, and delay, and creative effects freeze, tape, filter, and distortion. Each channel has a 3-band EQ and adjustable compressor.

TX-6 is a sturdy little machine. encased in CNC aluminum with 2k molding, custom-made encoders and faders, and custom PCB—engineered for portability.

With BLE, you can use TX-6 as a wireless controller for other BLE MIDI devices or trigger and sync the internal synth and sequencer from other sources.

High-quality slimline cables custom-made for TX-6 (available separately). The narrow profile allows you to use all 6 channels at once and makes for an easy pack down.

When you're ready for the studio, use TX-6 as a 12-channel audio interface and connect to any DAW over USB-C. MFi also allows you to connect to iOS devices.

Turn TX-6 on its side and use it as a DJ mixer. Turn channel 1 into a fader to crossfade between channels 5 and 6, so you can fade or cut between the two.

Connect your audio output through 3.5mm mini jack or use the included and removable 1/4" jack to 3.5 mm mini jack adapter.

Designed to fit TX-6 field mixer and constructed in heavy-duty fabric and hardware, the separately sold field bags are designed for durability, ready to be used out in the field.

Related Questions and Answers

Q: 1. Is phase reverse offered on all the channels?

A: No phase reverse shown on any channels, or in the Operator Manual.

Q: 2. Are there 2 SD slots? One for recording the mix and one for loading samples?

A: No. The TASCAM Mixcast 4 Podcast Mixer, Recorder, and USB Audio Interface has one SD slot that is used for recording and playback.

Q: 3. Does the talkback feature work as a broadcast mixer?

A: The Talkback function on the TASCAM Mixcast 4 Podcast Mixer, Recorder, and USB Audio Interface allows you to speak to the participants privately over their headphones, as well as guests connected via USB, smartphone, and Bluetooth.

Q: 4. can you record single tracks at a time, or overdub onto a track?

A: Yes you can do both.

Q: 5. What is the preAmp gain on the Mic inputs? Am I going to need a cloudlifter to operate my RE-20

A: Tascam lists the gain range for the Mixcast 4 as 66.5 dB which should be sufficient for the RE-20.

Q: 6. According to reviews the Mixcast 4 saves the files as a proprietary polywav file. Does it also save a stereo mix in mp3 or similar format?

A: The Tascam Mixcast 4 allows you to record in multi-track or stereo mixes and saves the files on an SD memory card in WAV format at 48 kHz, 24-bit, 2-channel stereo / 14-channel poly (BWF format). You can also route the output from the Mixcast 4 to a Mac or Windows computer, or to an iOS or Android device for a 14-in / 2-out audio capture on the external device. The files recorded on the Mixcast 4 can also be exported in 2-channel stereo WAV, MP3, and MP4 formats.

Q: 7. Can it simultaneously record to both the SD card and to a PC through USB?

A: Absolutely - no problem at all.

Q: 8. Hi, the onboard MicroSD card recording can be up to 192/24 or 48khz, please?

A: The internal recorder operates only at 24-bit/48kHz. The USB interface up to can output sample rates up to 192 kHz

Q: 9. If I use this as an audio interface recording into DaVinci Resolve/Audacity with multiple mics, does it record each mic as separate, individual tracks or is it all mixed down into one track?

A: When used as an audio interface, the TASCAM Mixcast 4 Podcast Mixer, Recorder, and USB Audio Interface will capture all tracks individually.

Q: 10. Are you able to change the recording to either stereo or mono audio tracks on this device?

A: The TASCAM Mixcast 4 Podcast Mixer, Recorder, and USB Audio Interface has four mono mic inputs and two stereo line inputs. These cannot be swapped or reconfigured, but if you have a stereo microphone for example, you can record the left and right channels as mono tracks and group them into a stereo track in your DAW or audio editor.