Sony XM-GTX6040
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4/3 Channel GTX Series Car Amplifier
RMS Power Rating:
4 ohms: 60 watts x 4 chan.
2 ohms: 70 watts x 4 chan.
Max Power Rating:
4 ohms: 110 watts x 4 chan.
2 ohms: 150 watts x 2 chan.
Bridged, 4 ohms: 300 watts x 1 chan.
Max power output: 600 watts x 1 chan.
Pulse modulated MOSFET power supply
LED power (green) and protect (red) indicators
Soft Start Turn-on
4/3 channel operation
Speaker-level (high-level) inputs with signal sensing for automatic turn-on
Heavy duty aluminum alloy heatsink for extreme heat dissipation
Gold-plated RCA level inputs
Gold-plated screw terminals
Input sensitivity:
Low level: 0.3V-6V
High level: 2.8V-12V
Variable high-pass filter (80 Hz, 12 dB/octave)
Variable low-pass filter (80 Hz, 18 dB/octave)
Frequency response: 5-50,000 Hz
Signal-to-Noise ratio: 100 dB
THD (Total Harmonic Distortion): 0.05%
Dimensions: 10"D x 14-3/4"W x 2-1/4"H
4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.
| Amplifier Specifications | |
| Amplifier Class | |
| Number of Channels | 4 Channels |
| RMS Power (4 ohms) | 60 watts x 40 channels |
| RMS Power (2 ohms) | 70 watts x 4 channels |
| RMS Power (1 ohm) | N/A |
| Bridged RMS Power | N/A |
| Total RMS Power Output | 280 watts |
| Peak Power Output | 600 watts x 1 channel |
| Total Peak Power Output | 600 watts |
| Maximum Input Gauge Size | 4 awg |
| Minimum Impedance Unbridged | 2 ohms |
| Minimum Impedance Bridged | 4 ohms |
| THD at Rated RMS Power | .05% |
| Speaker Level Inputs | |
| Preamp Outputs | |
| Built-in Crossover | Low-pass (LP) High-pass (HP) |
| High-Pass Crossover Frequency | 80 Hz |
| Low-Pass Crossover Frequency | 80 Hz |
| Subsonic Filter | N/A |
| Signal-to-Noise Ratio | 100 dB |
| Channel Separation | |
| Bass Boost | N/A |
| Bass/Gain Remote | No |
| Fan Cooled | No |
| Fuse Rating | 25A x 2 |
| CEA-2006 Compliant | No |
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| Product Summary |
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| SKU#: | 1586264 | |
| Manufacturer: | Sony | |
| Model: | XM-GTX6040 | |
| Condition: | Brand New | |
| Availability: | In Stock | |
| Warranty: | 1-year Warranty | |
| Price: | $89.99 | |
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Amplifier Class
The "class" of an amplifier assists in determining the different performance
characteristics because the "class" refers to the amplifier's internal circuitry:
- Class A amplifiers
- Class AB
- Class D amplifiers
- Class BD amplifiers
are sought after for the high quality of their sound; however, because of the
configuration of its transistors, a pure class A amplifier is inefficient and
runs very hot.
amps run cooler and more efficiently than a class A. Class AB amplifiers also
provide low distortion levels and high reliability.
(usually used to power subwoofers) boast significantly higher efficiency, produce
less heat, and draw less current than Class AB amps. Class D amps produce higher
levels of distortion; however, this distortion occurs at high frequencies that are
typically removed by a low-pass filter and therefore inaudible.
give you the highly efficient design of a Class D amp with the clarity and sound
quality of a Class B amp.
Number of Channels
The common number of channels for amplifiers are: Mono (generally for subs), 2-channel
and 4-channel; however, amplifiers are manufactured in 3, 5, and 6 channels too.
RMS Power (4 ohms)
The amount of continuous power, measured in watts, that an amplifier produces at 4 ohms.
RMS Power (2 ohms)
The amount of continuous power, measured in watts, that an amplifier produces at 2 ohms.
RMS Power (1 ohm)
The majority of amplifiers are not stable at an impedance level of 1 ohm. High Current
and Class D amps are generally best suited for such a low impedance.
Bridged RMS Power
The RMS output wattage per bridged channel. Be sure to also check the "minimum impedance
bridged" value to see what impedance level (ohms) the system must be running at to achieve
the value stated here.
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels,
and is calculated at the lowest level of operating impedance.
RMS power is the amount of continuous power, measured in watts, that an amplifier produces
is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.
The RMS output figure is much more accurate than the peak rating when comparing products.
Peak Power Output
Peak power is measured during a brief musical burst, such as a sudden drum
accent. Some manufacturers display peak power ratings on the face of their
products to increase the appeal.
The RMS power rating is more accurate, and we recommend using it for product comparison.
The RMS power rating is more accurate, and we recommend using it for product comparison.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number
of channels, and is calculated at the lowest level of operating impedance.
It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers
display peak power ratings on the face of their products to increase the appeal.
The RMS power rating is more accurate, and we recommend using it for product comparison.
Maximum Input Gauge Size
This number refers to the maximum gauge of wire that will fit into the input connector(s)
of the capacitor, amplifier, connector, or any other item that is receiving a wire.
- 0 awg
- 2 awg
- 4 awg
- 8 awg
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
- 1 ohm
- 2 ohms
- 4 ohms
- 8 ohms
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
- 1 ohm
- 2 ohms
- 4 ohms
- 8 ohms
THD at Rated RMS Power
The amount of change in harmonic content of the signal as it is amplified. A lower figure
indicates less change and a more accurate amp. THD below 0.10% is inaudible.
- .01%
- .02%
- .03%
- .04%
- .05%
- .06%
- .07%
- .08%
- .09%
- .1%
Speaker Level Inputs
This feature is useful only if you plan on running your amplifier from a factory receiver
or if you have no remaining preamp outputs left on your aftermarket receiver.
- 1 pair
- 2 pairs
- 3 pairs
- 4 pairs
Preamp Outputs
An RCA preamp output lets you pass the preamp signal to additional amps, and in some cases
the internal crossover from the first amp can send a filtered signal, eliminating the need
for an additional crossover.
- 1 pair
- 2 pairs
- 3 pairs
- 4 pairs
Built-in Crossover
A high-pass crossover will permit signals above a specified frequency to pass through, while
a low-pass crossover will permit frequencies below a specified frequency.
High-Pass Crossover Frequency
The high-pass crossover frequency can be a fixed crossover point or a variable crossover range.
A variable high-pass crossover allows you to select a specific crossover point which allows
frequencies above the set crossover point to pass, while making frequencies below the set point
gently or harshly roll-off, depending on the steepness of the slope.
The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation
(lowering of volume) outside their pass bands.
Low-Pass Crossover Frequency
The low-pass crossover frequency is typically used for subwoofers. It can be a fixed crossover
point or a variable crossover range. A variable low-pass crossover allows you to select a specific
crossover point which allows frequencies below the set crossover point to pass, while making
frequencies above the set point gently or harshly roll-off, depending on the steepness of the slope.
The steepness of the roll-off slope is measured in dB/octave and refers to the rate of attenuation
(lowering of volume) outside their pass bands.
Subsonic Filter
Allows you to block (filter) ultra-low frequencies that your subs cannot reproduce.
Signal-to-Noise Ratio
This spec compares the strength of the signal to the level of background noise. A higher value
indicates less background noise.
- 10 - 130 dB
Channel Separation
Also referred to as crosstalk. The amount of interference on one stereo channel caused by the
leaking of the other stereo channel. The higher the rating in decibels (dB), the better the
Channel Separation.
Bass Boost
With the simple switch of a button or turn of knob, this feature can allow you to boost the bass output.
Bass/Gain Remote
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your
dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Fan Cooled
A great feature to have if an amp generates a large amount of heat. Cooling fans can help regulate the
temperature to prevent the amp from overheating (burning).
Fuse Rating
The amperage and the number of fuse(s) an amp requires.
CEA-2006 Compliant
CEA-2006 Compliant amplifiers are those that have been tested to meet specific standards. When a car
amplifier meets these standards, you can be sure that it will be able to produce the amount of power
specified by the official CEA-2006 rating. Usually, these rating consist of the following items:
- RMS Power
- Signal-to-Noise Ratio
This rating applies to both external car amplifiers, as well as the amplifiers inside of the in-dash stereos.
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