TOA A-812D Digital Mixer Amplifier – 8-Input, 120W, DSP & Network Control


Looking for a high-performance digital mixer amplifier for live, studio, or commercial applications? The TOA A-812D delivers up to 120 watts of clean power with 8 versatile inputs, making it ideal for musicians, DJs, sound engineers, and AV integrators alike.

Designed for both background and foreground music, paging, and noise masking, the A-812D combines advanced digital signal processing (DSP) with browser-based control and monitoring, allowing remote access and adjustments from anywhere. Its sleek design includes MOH (Music On Hold) output, two 900 Series module slots for added expansion, and flexible connectivity with multi-channel I/O options.

Built with TOA's legendary quality and reliability, the A-812D integrates seamlessly with other professional audio gear and provides the intuitive control and powerful sound processing needed for demanding environments—without exceeding your budget.

Toa A-812D SPECIFICATIONS 

Power Source 120 V AC, 60 Hz      
Rated Output 120W      
Power Consumption 170 W (rated output), 46 W (based on UL62368), 200 mA or less (when power switch is OFF)      
Frequency Response 50 Hz to 20 kHz ±3 dB (1/8 rated output)      
Total Harmonic Distortion 1 % or less at 1 kHz, rated power (20 kHz LPF (AUX-0025))      
Tone Control Bass: ±10 dB at 100 Hz, Treble: ±10 dB at 10 kHz      
Signal to Noise Ration 88 dB or more (Master volume: min) 76 dB or more (Master volume: max) 55 dB or more (INPUT 1 to 6) (A-weighted)      
Input 1-2: -60 dB* (MIC)/-20 dB* (LINE) selectable, 600 Ω, electronically-balanced, removable terminal block (3.81 mm, 3 pins) Note: MIC inputs are equipped with phantom power (24 V DC, ON/OFF switchable).      
 3-4: -60 dB*, 600 Ω, electronically-balanced, removable terminal block (3.81 mm, 3 pins) Note: Equipped with phantom power (24 V DC, ON/OFF switchable).      
5-6:  MIC/LINE selectable MIC: -60 dB* , 600 Ω, electronically-balanced, removable terminal block (3.81 mm, 3 pins) LINE: -20 dB*, 10 kΩ, unbalanced, RCA pin jack x 2      
Module 1-2 -20 dB*, 10 kΩ      
Output

 
Speaker High impedance: 70 V line/42 Ω/Low impedance 4 to 16 Ω. Removable terminal block (5.00 mm, 3 pins) selectable      
REC: 0 dB *, 600 Ω, unbalanced, RCA pin jack x 2      
PRE AMP: 0 dB *, 600 Ω, unbalanced, RCA pin jack      
Control Input 4 channels, no-voltage make contact input, open voltage: 35 V DC or less, Short-circuit current: 10 mA or less, removable terminal block (3.81 mm, 4 pins)      
REMOTE VOLUME: No-voltage make contact input, open voltage: 35 V DC or less, Short circuit current: 10 mA or less, removable terminal block (3.81 mm, 4 pins)      
Control Output POWER REMOTE: Open collector output, withstand voltage: 30 V DC or less, control current:          25 mA or less, removable terminal block (3.50 mm, 4 pins)      
EMERGENCY OUT: Open collector output, withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (3.50 mm, 4 pins)                   
Indicators LED level meter, Power indicator, Network connection confirmation indicator, Priority broadcast indicator, Emergency broadcast indicator, Thermal protection indicator, Over-current protection indicator, CPU running indicator, Error indi-cator      
Operating Temperature -10 to +40 ˚C (14 to 104 ˚F)      
Operating Humidity 85 % RH or less (no condensation)      
Finish  Panel: ABS resign, black
Case: Surface-treated steel plate, black, paint
     
Dimensions 420 (w) x 96.1 (h) x 313.1 (d) mm or 16,54" x 3.78" x 12.33"      
Weight 5.2 kg or 11.46 lb      
Options Input transformer: IT-450, Perforated panel: PF-013B      
List price: $1,153.00
Price: $932.00