Adastra MM321 1U Rack Mixer with Bluetooth, USB Player and FM Tuner

The Adastra MM321 1U Rack Mixer with Bluetooth, USB Player and FM Tuner is a rack-mountable 1U mixer with built-in media player and Bluetooth receiver. 3 mono inputs connect via XLR microphone or line input (switchable). Each of these inputs has switchable +20V phantom power for use with condenser microphones or D.I. boxes and channel 1 has a variable priority function. Two stereo auxiliary line inputs are provided on RCA connectors with a stereo record output. Media player operating modes include 3.5mm Aux input, USB audio player, FM radio tuner and Bluetooth receiver for playback from a smart phone or tablet. Main left and right outputs are fed to XLR with an additional mono summed output on 6.3 jack. Versatile yet easy to use as a main mixer for background music, public address and house PA systems.

Adastra MM321 1U Rack Mixer with Bluetooth, USB Player and FM Tuner Features

- Built-in Bluetooth receiver
- Media player with USB playback and FM tuner
- Switchable +20V phantom power
- Variable priority muting for channel 1
- 24V emergency mute contacts

Adastra MM321 1U Rack Mixer with Bluetooth, USB Player and FM Tuner Specifications

- Power supply: 100-240Vac, 50/60Hz (IEC)
- Fuse: T1AL
- Inputs (Mic): 3x XLR (bal/unbal)
- Inputs (Aux): 2x L+R RCA
- Input (Line): 3.5mm jack to media player
- Audio source: Internal Bluetooth, USB & FM player
- Outputs: L+R XLR, Mono 6.3mm jack, Record out (RCA)
- Emergency control: 24V contacts mute all except channel 1
- Phantom power: +20V (switchable channels 1-3)
- Front panel controls: Media, 3 x Mic/Line, 2 x Aux, Treble, Bass, Master level
- Rear panel controls: Priority muting level, mic/line and phantom DIP switches
- Input impedance: 2.2 kΩ (Mic/Line), 10 kΩ (Aux)
- Frequency response (Mic): 20Hz - 18kHz
- Frequency response (Line): 14Hz - 20kHz
- Frequency response (Aux): 10Hz - 23kHz
- Input sensitivity (Mic/Line): -45dBV
- Input sensitivity (Aux/Line): -10dBV
- Signal to noise ratio (Mic): 55dB
- Signal to noise ratio (Aux/Line): 60dB
- THD: 0.05%
- Dimensions: 482 x 130 x 44mm
- Weight: 1.43kg