Professional Audio



DA/200 – 100 + 100 watts RMS
DA/500 – 250 + 250 watts RMS.

A 1U rackmount, single zone stereo or two zone mono background music solution with mic and line inputs.   Auto voice override, remote volume control and fire alarm interface are included, and 250 watts or 100 watts per channel options are available in only 1U of rack space,  producing a very compact, powerful and extremely flexible system.  This can be expanded with the SA range of 1U power amps if needed.


  • Two mic channels and four stereo line inputs
  • Two low Z mic inputs, bal or unbalanced on XLR / jack combi sockets
  • Mic 1 input on front panel Mic 2 on rear
  • Two mic gains, bass, treble and PPI indicators
  • Four Aux inputs, line in and line out on rear phono sockets
  • Zone A and B mic mute switches
  • Internally adjustable voice override level (VOX) with vox active led
  • Four line level volume controls with separate bass and treble
  • Status led for remote volume control and fire alarm activation, on both zones
  • Overall master volume controls with twin 5 segment led VU displays
  • Active clip limiter (internally adjustable)
  • Fan cooled with proportional speed fan
  • Speakon speaker sockets
  • Rear socket for remote volume controls and alarm interface

Mic inputs:   Balanced or unbalanced 3k3 – 5mV
Line inputs:   Unbalanced >22k – 200mV
Line output:   Unbalanced Headroom – +22dB. PPI’s active @ +19dB
Bass:   +/- 15dB @ 50Hz, shelved
Treble:   +/- 15dB @ 12kHz, shelved

Power Output R.M.S. :  As stated above
@ 1KHz into 4 OHMS  and 70 % into 8 ohms
Frequency Response:   20 Hz – 25 kHz +/-0.5dB
T.H.D.@ rated power:   <0.02% @ 1 kHz
Signal to noise ratio:   Better than 100 dB
Channel Separation:   Better than 80 dB
D/C Protection:  +/-32V
Short circuit protection:   All stereo models
Clip Limiter:   Active clip limiting, internal variable threshold
Input Sensitivity:   775 mV / 0dBu
Input Impedance:   10K + 10K (Bal)
Damping Factor:   Better than 400
Slew Rate:   40V / uS
Soft Start:   All models
Mains Input Power:  230V +/-10% 50-60Hz

483(W)  x  300(D)  x  44(H)

DA 200 = 4.8Kg
DA 500 = 5.4Kg