The Halo A 23 has it all - sophisticated design, world-class parts quality,highly refined sound, and an affordable price. We built our reputation on sonic clarity and detail,so our advanced DC servo circuits take the place of the coupling capacitors and inductors still used in other brands of power amps. With its amazing sound and beautiful design the A 23 delivers everything that you have come to expect from a Parasound amplifier.  
 
 
  Features & Specifications :  
- Continuous power output 20 Hz – 20 kHz :
   125 watts RMS x 2,8 Ω ; 200 watts RMS x 2,4 Ω
   400 watts RMS Mono,8 Ω
- Current capacity : 45 amperes peak per channel
- THX Ultra2 certified ; High bias Class A/AB operation
- Balanced XLR & unbalanced RCA inputs, RCA loop outputs
- Auto turn-on by 12v trigger or audio signal ; 12v trigger out
- Rear mounted gain controls,ground lift switch, carry handles
- Power bandwidth : 5 Hz - 100 kHz,+0/-3 dB at 1 watt
- Total harmonic distortion : < 0.06 % at full power
- Signal to noise ratio : > 112 dB, input shorted, IHF A-weighted
- Dimensions : 17-1/4" w x 13-1/4" d x 4-1/8" h,2u without feet