DESCRIPTION
A combination of great design and massive power, the
GM-A4704 amplifier gives you total installation freedom and no distortion. With
a one-body heat sink and gain adjustment of up to 6.5V, you can turn your
in-car audio experience into the sound staging environment that you’re looking
for. This 4-channel amp allows you to
drive multiple speakers and sub woofers; it’s also bridgeable to power a single
sub.
The technology of the GM Series
From dramatic distinction to dramatic design, Pioneer's new
GM-Series amplifiers are thrillers in every sense, pushing the limits of
flexibility and functionality.
Variable HPF
Variable HPF (high pass filter) allows for adjustable
frequency from 40 Hz to 500 Hz* and greater car audio system flexibility
according to sub woofer characteristics and personal listening preference.
Growing Power, Shrinking Size
New Pioneer amps brilliantly integrate high-power
performance superior to that of previous models in space-efficient sizes for
flexibility of installation in various car cabins.
Automatic Signal Sensing and Turn-On
Pioneer amplifiers automatically select the proper input
signal mode, either RCA or speaker level. When the receiver is turned on, the
amplifier automatically turns on. When connected to an OEM receiver or a
receiver without RCA output and utilizing speaker level output, the amp
automatically senses the input mode and powers up in sync with the receiver.
When connected to an OEM receiver or a receiver without RCA
output using speaker wire, the amplifier is turned on at the same time as the
receiver. Pioneer's amplifiers automatically detect the input signal and select
the RCA level or speaker level.
Key features
Number of Channels 4
Amplifier Class AB
Maximum Power Output 520W
Maximum Power Output at 2 Ω 130W x 4
Maximum Power Output at 4 Ω 80W x 4
Maximum Power Output - Bridged at 4 Ω 520W
Nominal Power (RMS) Output at 2 Ω 65W x 4
Nominal Power (RMS) Output at 4 Ω 40W x 4
Nominal Power (RMS) Output - Bridged at 4 Ω 130W x 2
Frequency Response 10Hz ~ 70kHz (+0dB , -3dB)
Fuse Rating 30A