Alpine MRP-T222 Detailed description

Features:
1/2 Channel Operation
BassEngine®
Subsonic Filter
Bass EQ Circuit
Crossover (HP/LP)
MOSFET Power Supply
DC-DC PWM Power Supply
Discrete Pre-Amp Stage
Double Buffered Pre-Amp Input Circuitry
STAR Circuitry
MultiMode™
Top Mounted Blue LED Power/Status Indicator
Duo B Feedback Circuitry
Continuously Adjustable Gain Control
Speaker Level Inputs
Gold Plated Power Screw Terminals
Gold Plated Speaker Terminals
Cross-Vented Chassis Design

CEA-2006 Power Rating:
CEA-2006 Power Rating (40hm at 14.4V = 1%THD+N), S/N 60dBA (Ref. 1W into 4Ohm): 50W x 2

RMS Power (at 14.4V THD+N, 20Hz-200Hz):
Per channel into 4 ohms: 50W x 2 (0.08% THD)
Per channel into 2 ohms: 70W x 2 (0.3%)
Bridged 4 ohms: 140W x 1 (0.3%)
Total Max. Power: 250W

BassEngine® Sound Tuning:
Crossover Network: 18dB/oct
Low/High Pass Crossover Frequency (Fixed): 80Hz
Subsonic Filter (Fixed): 20Hz
Bass EQ Frequency (Fixed): 50Hz
Bass EQ Level (Adjustable): 0 - 12dB

General:
Power Requirements:
14.4V DC (11V to 16V)
Frequency Response: 10Hz – 50kHz (+0, -1dB)
Signal to Noise (S/N): 100dBA (referenced to rated power)
Input Sensitivity (For Rated Power): 0.2V to 4.0V
Slew Factor: Greater than 5
Input Impedance: 10k Ohm
Speaker Impedance: 4 or 2 Ohm (Stereo), 4 Ohm (Bridged)
Dimensions (WxHxD): 172mm x 60mm x 267mm
Dimensions (WxHxD): 6-4/5” x 2-2/5" x 10-1/2”
Weight: 1.95 Kg. (4 lbs. 5 oz)