Adastra MM321 Rack Mixer + BT/USB/FM Player

£119.10 ex VAT
£142.92 inc VAT
Buy 2+ @ £106.25 each
20+ in stock

Estimated delivery is Friday 17th July for orders placed by 1:15pm on Thursday.


About This Product

Adastra Model: MM321 Mfg Part Code: 953.028UK

  • Type: 19 Inch
  • Rack Mixer With Bluetooth® & Usb/fm Player

Rack Mixer With Bluetooth & USB/FM Player

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.

  • 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


Power supply 100-240Vac, 50/60Hz
Inputs : mic/line 3 x XLR (bal/unbal)
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)
Fuse T1AL
Controls Media, 3 x Mic/Line, 2 x Aux, Treble, Bass, Master level
Inputs : aux 2 x L+R RCA
Input : line 3.5mm jack to media player
Rear panel controls Priority muting level, mic/line and phantom DIP switches
Input impedance 2.2k Ohms (mic/line), 10k Ohms (aux)
Frequency response : mic 20Hz - 18kHz
Frequency response : line 14Hz - 20kHz
Frequency response : aux 10Hz - 23kHz
Input sensitivity -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
GTIN #: 5015972186626