XM-GTX1821 2/1 Channel GTX Series Amplifier The XM-GTX1821 amplifier afford incredible installation flexibility and packs quite a punch. GTX amplifiers offer tremendous value including convenience features such as: modern cosmetics, variable cross-overs, multiple channel configurations and singe-side electrical connections to suit almost any application. Specifications Amplifier Section Max power output 1000W max power Power Ad Hoc 185W per channel at 4 Ohms from 20Hz-20kHz with 1% THD1 Speaker Impedance 2-8 Ohm stereo 4-8 Ohms mono Audio Band Low Pass Filter: 80 HZ, -18dB/oct Circuit System OTL Output Transformerless Circuit Pulse Power Supply Frequency Response 5-50kHz (+0/-3 dB) Harmonic Distortion 0.05% or less (at 1 kHz, 4 ohm) Impedance 2-8 Ohm stereo 4-8 Ohms mono Input Level 0.3 - 6.0V (RCA input) Noise Level 93 dBA Power Supply OTL Output Transformerless Circuit Pulse Power Supply Inputs and Outputs Audio In RCA Pin Jacks Audio Out Speaker Terminals Input(s) RCA Pin Jacks Line Level Input(s) RCA pin jacks Output(s) Speaker Terminals RCA Audio Input(s) Pin Jacks: 0.3 - 6V Power Current Drain At rated output: 42 Amp (at 4 Ohms) Input Voltage 10.5-16V Power Supply Voltage Internal Power Supply OTL Output Transformerless Circuit Pulse Power Supply Output Power Maximum Output: 380Wx2 (at 4 Ohm) 1000W x 1 (at 4 Ohms) Power Requirements 12V DC Car Battery (Negative Ground) Rated Output 185W x 2 (20Hz-20kHz, 1% THD+N, 4 Ohms, 14.4V)1 200W x 2 (20Hz-20kHz, 1% THD+N, 2 Ohms, 14.4V) 400W x 1 RMS (20Hz-20kHZ 1.0% THD+N, at 4 Ohms) Speaker Impedance 2-8 Ohms in Stereo Mode 4-8 Ohms mono Speaker Terminal Type Output terminals Weights and Measurements Dimensions (Approx.) 15 1/8 x 2 1/4 x 11" (383 x 55 x 279 mm) Dimensions (Approx) Depth 11" Dimensions (Approx) Height 2 1/4" Dimensions (Approx) Width 15 1/8" Weight (Approx.) 7 lbs. 12 oz. Supplied Accessories Supplied Accessories Mounting Screws (4) Protection Cap (1) 1. CEA-2006 Compliant — Standardized “Voluntary” Testing & Measurement Methods for © 2012 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without Mobile Audio Amplifiers. This standard advocates a uniform method for determining an written permission is prohibited. Sony is a trademark of Sony. All other trademarks are the amplifier’s RMS power and signal-to-noise ratio. Using 14.4 volts, RMS watts are measured property of their respective owners. Features and specifications are subject to change into a 4-ohm impedance load at 1 percent Total Harmonic Distortion (THD) plus noise, at a without notice. /Updated: February 13, 2012 frequency range (for general purpose amplifiers) of 20 Hz to 20,000 Hz.