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.