Gallo amp, designed for 2nd voice coil/woofers on Gallo's Ref. 3.0 speaker but suitable for other apps. Specs below.
Price: $475 plus ship from SE CT.
Thanks ...

2 x 160 watts RMS @ 8 ohms
20Hz - 20kHz (stereo mode)
2 x 250 watts RMS @ 4 ohms
20Hz - 20kHz (stereo mode)
450 watts RMS @ 8 ohms
20Hz - 20kHz (mono mode)
650 watts RMS @ 4 ohms
20Hz - 20kHz (mono mode)
Distortion: 0.08% stereo, 0.1% mono
(low-pass @ 100Hz, level and xover at max, EQ at 0dB)
.01% stereo, 0.17% mono
(full-range, level at max)
Input Sensitivity: 130mV stereo, 110mV mono
Signal-to-Noise: 93dB stereo, 83dB mono
(low pass @ 100Hz, level and xover at max, EQ at 0dB)
93 dB stereo, 75dB mono
(full-range full-rated power @ 1kHz)
Load Impedance: 2 ohms or greater in stereo mode /
4 ohms or greater in mono mode
Bass EQ: 1W @ 35Hz (100Hz=0dB, level and xover at max, booster at 6dB)=6.2dB
1W @ 35Hz (100Hz=0dB, level and xover at max, booster at -3dB)=-3.2dB
Frequency Response: 15-200Hz low-pass (100Hz=0dB, level and xover at max, booster at 0dB)
<10Hz - 28kHz full-range (100Hz=0dB, level and xover at max, booster at 0dB)
Crossover: 40Hz low-pass, xover setting at minimum
200Hz low-pass, xover setting at maximum
Power Handling: 250 watts @ 4 ohms
160watts @ 8 ohms (In Stereo)
650 watts @ 4 ohms
450 watts @ 8 ohms (Bridged to mono)
12 Volt Trigger: Tip = (+) Sleeve = (-)
Auto-on Sensitivity: 5mV
Current Draw: 9A stereo, 13.5A mono
(level and xover at max, booster at 0dB)
Protection Circuitry: Short circuit, open circuit, RF burnout, over temp., speaker protection relays, Turn on/off transient protection, DC protection, and limiter circuitry
Temp. Protect: 60°C +/-5
Cooling: A low noise fan is utilized to draw cool air through the chassis using front and rear vents. Do not block the vents.
Power Requirements: 100 VAC 60Hz, 850VA
100-120 VAC 50/60Hz, 850VA
220-240 VAC 50/60Hz, 850VA
Dimensions: 19"W x 3.81"H x 15.62"D
Weight: 35 lbs
Connections: RCA inputs, 5-way binding posts
