About the RetroSound Quad4
More power, Captain
More power, Captain
You've got a classic car with a RetroSound radio installed, but you want more power for your front and rear speakers. Enter the RetroSound Quad4, an ultra-compact 4-channel amplifier rated at 45 watts RMS per channel, which offers plug-and-play hookup to any RetroSound radio. You can connect other aftermarket car stereos via the Quad4's low-level RCA inputs.
Big sound, small package
At roughly the size of a large candy bar, the tiny Quad4 delivers a mighty sound, while its dimensions allow mounting almost anywhere, including under seats and behind the dash. If you're using a sub in your classic ride, you can activate the built-in high-pass filters to remove the low bass from your full-range speakers so they play louder and cleaner. The Quad4 also features advanced thermal and short-circuit protection so you'll be able to enjoy your sound for years to come.
- ultra-compact 4-channel amplifier
- 45 watts RMS x 4 at 4 ohms
- direct input/output connection to all RetroSound radios
- RCA inputs available for non-RetroSound receivers
- switchable high-pass filters (110 Hz, 12 dB/octave)
- frequency response: 10-40,000 Hz
- advanced thermal and short-circuit protection
- fuse: 15A
- 10-gauge power and ground leads recommended
- dimensions: 7-3/16"W x 1-13/16"H x 2-15/16"D
- warranty: 1 year
- MFR # Quad4
What's in the box:
- 4-Channel amplifier
- 4 Mounting screws
- User's Manual
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More details on the RetroSound Quad4
Features & specs
|RMS Power Output (Watts x Channels)||
45 x 4 |
|Peak Power Output (Watts x Channels)||55 x 4|
|Power at 2 Ohms (Watts x Channels)||N/A|
|Bridged Power (Watts x Channels)||N/A|
|Minimum Impedance Bridged||N/A|
|Minimum Impedance Unbridged||4|
|Best Frequency Response||10-40000 Hz|
|THD at Rated RMS Power||0.2%|
|Signal to Noise Ratio||90 dB|
|Low-Pass Crossover Frequency||N/A|
|Low-Pass Slope (dB/octave)||N/A|
|High-Pass Crossover Frequency||100 Hz|
|High-Pass Slope (dB/octave)||12 dB/octave|
|Bass Boost Frequency||N/A|
|Speaker Level Inputs||Yes|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
Quadraphonic 4-Channel Amplifier: The RetroSound Quadraphonic (QUAD4) is a full-range Class D (digital) power amplifier featuring 45 watts x 4 RMS power. The Quadraphonic amplifier offers exceptional dynamic range and low distortion for the best possible sound reproduction from your car audio system.
Direct RetroSound Connect & Low-Level RCA Inputs: The Quadraphonic (QUAD4) plugs directly into any RetroSound radio. Low level RCA inputs also allow the Quadraphonic amp to be used with practically any aftermarket car stereo system.
Built-in High-Pass Crossovers: The RestroSound QUAD4 has built-in high-pass crossovers for the front & rear channels. The high-pass crossovers are defeatable if you desire a full-range setup.
Front & Rear Gain: Front & Rear gain control allows you to match the input sensitivity of the amplifier to the output of your RetroSound radio or other aftermarket stereo.
Compact Chassis: The RetroSound Quadraphonic (QUAD4) amplifier's diminutive size means you can install it virtually anywhere, including behind the dash.
Power & Ground: Regardless if you are connecting the QUAD4 amp directly to a RetroSound radio or other aftermarket stereo, you will need to connect the constant +12 volt (yellow) lead to the battery, and the ground lead (black) to the chassis of the vehicle.
Advanced Protection Circuitry: The RetroSound Quadraphonic (QUAD4) offers advanced protection circuitry with thermal and overload protection.
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