Audio Control ACX-300.4

Features
GTOTM Signal Sense
High and low input modes
4 and 2 channel input modes
Linkwitz-Riley Crossover
Bulletproof 5 year warranty (when installed by an authorized AudioControl dealer) 

Specifications

Inputs
Preamp/Speaker Level Inputs: 4
Input Voltage Low: 500 mV – 6 Vrms
Input Voltage Range High: 1 Vrms – 12 Vrms

Outputs
Rated Continuous (RMS) Power at 14.4V:
4 Ω – 50 W x 4 RMS
2 Ω – 75 W x 4 RMS
Bridged 4 Ω – 150 W RMS

Performance
Frequency Response: 26 Hz – 22 kHz
Signal to Noise: 106 dBA, Ref 50 W @ 4 Ohm
THD+N: < 0.2%
Crossover: 12 dB/octave Linkwitz-Riley, 80 Hz, 120 Hz, Bypass
IP Rating: IPX6 

General
Recommended Fuse Rating: 30A

Weights & dimensions
Dimensions: 9.0″W x 3.875″D x 2.25″H
Weight: 7.2 lbs. (3.3 kg)

In the box: ACX-300.4, Manual, Warranty