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<blockquote data-quote="ROLO" data-source="post: 8449285" data-attributes="member: 636745">Hello I have:2 Alpine MRP-M2000 Mono subwoofer amplifier — 2,000 watts RMS x 1 at 2 ohmsPerformanceRMS Power Output (Watts x Channels)&nbsp; &nbsp; 1500 x 1Peak Power Output (Watts x Channels)&nbsp; &nbsp; N/APower at 2 Ohms (Watts x Channels)&nbsp; &nbsp; 2000 x 1Bridged Power (Watts x Channels)&nbsp; &nbsp; N/AMinimum Impedance Bridged&nbsp; &nbsp; N/AMinimum Impedance Unbridged&nbsp; &nbsp; 2Best Frequency Response&nbsp; &nbsp; 20-200 HzTHD at Rated RMS Power&nbsp; &nbsp; 1%Signal to Noise Ratio&nbsp; &nbsp; 102 dBInput Voltage&nbsp; &nbsp; 14.4vFeaturesAmplifier Class&nbsp; &nbsp; DLow-Pass Crossover Frequency&nbsp; &nbsp; 50-200 HzLow-Pass Slope (dB/octave)&nbsp; &nbsp; 24 dB/octHigh-Pass Crossover Frequency&nbsp; &nbsp; N/AHigh-Pass Slope (dB/octave)&nbsp; &nbsp; N/ABass Boost&nbsp; &nbsp; 0-12 dBBass Boost Frequency&nbsp; &nbsp; 30 Hz-80 HzFan Cooled&nbsp; &nbsp; NoFuse Rating&nbsp; &nbsp; 180Speaker Level Inputs&nbsp; &nbsp; HarnessPreamp Outputs&nbsp; &nbsp; NoWidth (inches)&nbsp; &nbsp; 20-1/4Height (inches)&nbsp; &nbsp; 2-3/8Depth (inches)&nbsp; &nbsp; 9-9/16FeaturesInputs: The amplifier offers both RCA line-level and speaker-level inputs for 2 channels. The supplied speaker-level input harness allows you to connect this amplifier to a receiver without preamp outputs; aftermarket or factory. The speaker level inputs will accept the output from a high powered radio.ControlsLow Pass Filter: The amp has a low-pass filter, continuously variable from 50-200 Hz with a slope of 24dB/octave. This being a mono subwoofer amp, the crossover is always engaged.Subsonic Filter: This amp utilizes a subsonic filter to eliminate super low frequencies that can rob power and damage speakers. The subsonic filter settings are 15 Hz, 30 Hz, and off.Bass EQ: The Bass EQ circuit provides a variable boost (0-12dB) with an adjustable center frequency (30-80 Hz).ConnectionsLeft Side Of Amplifier:GND (ground): gold-plated set screw terminal, accommodates bare wire up to 1/0 gaugeBattery: gold-plated set screw terminal, accommodates bare wire up to 1/0 gaugeRemote: gold-plated set screw terminal, accommodates bare wire up to 8 gaugeSpeaker Output: gold-plated set screw terminal, accommodates bare wire up to 8 gaugeNote: Alpine recommends 1/0 gauge power and ground wire (2 gauge minimum is listed, but only if both power and ground wires are 1 meter or less).Right Side Of Amplifier:Line Inputs: 1 pair of gold-plated stereo RCA jacksSpeaker Level Input: Molex plug input for supplied 4-pin harnessSubsonic: switch; off, 15 Hz, 30 HzPhase: switch; 0°, 180°Gain: rotary dialBass EQ Level: rotary dial; 0-12 dBBass EQ Frequency: rotary dial; 30-80 HzLP Filter: rotary dial; 50-200 Hz</blockquote>

[QUOTE="ROLO, post: 8449285, member: 636745"] Hello I have: 2 Alpine MRP-M2000 Mono subwoofer amplifier — 2,000 watts RMS x 1 at 2 ohms Performance RMS Power Output (Watts x Channels) 1500 x 1 Peak Power Output (Watts x Channels) N/A Power at 2 Ohms (Watts x Channels) 2000 x 1 Bridged Power (Watts x Channels) N/A Minimum Impedance Bridged N/A Minimum Impedance Unbridged 2 Best Frequency Response 20-200 Hz THD at Rated RMS Power 1% Signal to Noise Ratio 102 dB Input Voltage 14.4v Features Amplifier Class D Low-Pass Crossover Frequency 50-200 Hz Low-Pass Slope (dB/octave) 24 dB/oct High-Pass Crossover Frequency N/A High-Pass Slope (dB/octave) N/A Bass Boost 0-12 dB Bass Boost Frequency 30 Hz-80 Hz Fan Cooled No Fuse Rating 180 Speaker Level Inputs Harness Preamp Outputs No Width (inches) 20-1/4 Height (inches) 2-3/8 Depth (inches) 9-9/16 Features Inputs: The amplifier offers both RCA line-level and speaker-level inputs for 2 channels. The supplied speaker-level input harness allows you to connect this amplifier to a receiver without preamp outputs; aftermarket or factory. The speaker level inputs will accept the output from a high powered radio. Controls Low Pass Filter: The amp has a low-pass filter, continuously variable from 50-200 Hz with a slope of 24dB/octave. This being a mono subwoofer amp, the crossover is always engaged. Subsonic Filter: This amp utilizes a subsonic filter to eliminate super low frequencies that can rob power and damage speakers. The subsonic filter settings are 15 Hz, 30 Hz, and off. Bass EQ: The Bass EQ circuit provides a variable boost (0-12dB) with an adjustable center frequency (30-80 Hz). Connections Left Side Of Amplifier: GND (ground): gold-plated set screw terminal, accommodates bare wire up to 1/0 gauge Battery: gold-plated set screw terminal, accommodates bare wire up to 1/0 gauge Remote: gold-plated set screw terminal, accommodates bare wire up to 8 gauge Speaker Output: gold-plated set screw terminal, accommodates bare wire up to 8 gauge Note: Alpine recommends 1/0 gauge power and ground wire (2 gauge minimum is listed, but only if both power and ground wires are 1 meter or less). Right Side Of Amplifier: Line Inputs: 1 pair of gold-plated stereo RCA jacks Speaker Level Input: Molex plug input for supplied 4-pin harness Subsonic: switch; off, 15 Hz, 30 Hz Phase: switch; 0°, 180° Gain: rotary dial Bass EQ Level: rotary dial; 0-12 dB Bass EQ Frequency: rotary dial; 30-80 Hz LP Filter: rotary dial; 50-200 Hz [/QUOTE]

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