About the Kenwood KAC-7204
Kenwood made their reputation building car amplifiers that offer no-nonsense reliability and superior sound quality. The compact KAC-7204 2-channel amplifier features a rugged cast-aluminum chassis 30% smaller than its predecessor, yet it'll still pump out 170 watts RMS to each of two speakers or up to 500 watts RMS to a subwoofer without straining your car's electrical system.
Built-in high- and low-pass filters adjust the amplifier output so you'll get the best sound possible from your speaker or subwoofer combo, while the variable bass boost lets you dial in up to 18 dB of bass boost, if you want to fatten up the sound.
The front-mounted controls allow you to tweak the sound easily, and the convenient front-side connections make setup a snap. Signal sensing turn-on and speaker-level inputs allow these amps to hook up to factory radios that don't have preamp outputs.
Product highlights:
- 2-channel car amplifier
- 170 watts RMS x 2 at 4 ohms (250 watts x 2 at 2 ohms)
- 500 watts RMS x 1 bridged output at 4 ohms (4 ohm stable in bridged mode)
- CEA-2006 compliant
- high-pass (12 dB per octave) and low-pass (24 dB per octave) filters variable from 50 to 200 Hz
- variable bass boost (0-18 dB at 40 Hz)
- cooling fan
- MOSFET power supply
- speaker-level inputs with signal sensing turn-on
- preamp-level inputs and outputs
- fuse rating: 40A x 1
- 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
- 13-3/4"W x 2-1/4"H x 9-3/8"D
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # KAC-7204
What's in the box:
Kenwood KAC-7204 owner's manual
- 2-Channel amplifier with a 40A fuse inserted in chassis
- 8" Speaker-level input harness
- 4 Self-tapping screws (4mm diameter x 16mm)
- Rubber terminal cover
- Allen wrench
- Instruction Manual
- Warranty card
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More details on the Kenwood KAC-7204
Features & specs
| Performance | ||
|---|---|---|
| RMS Power Output (Watts x Channels) |
170 x 2 | |
| Peak Power Output (Watts x Channels) | 500 x 2 | |
| Power at 2 Ohms (Watts x Channels) | 250 x 2 | |
| Bridged Power (Watts x Channels) | 500 x 1 | |
| Minimum Impedance Bridged | 4 | |
| Minimum Impedance Unbridged | 2 | |
| Minimum Impedance | 2 | |
| Best Frequency Response | 5-50k Hz | |
| THD at Rated RMS Power | 1% | |
| Signal to Noise Ratio | 83 dB | |
| Input Voltage | 14.4v | |
| Features | ||
| Amplifier Class | AB | |
| Low-Pass Crossover Frequency | 50-200 Hz | |
| Low-Pass Slope (dB/octave) | 24 dB | |
| High-Pass Crossover Frequency | 50-200 Hz | |
| High-Pass Slope (dB/octave) | 12 dB | |
| Bass Boost | 0-18 dB | |
| Bass Boost Frequency | 40 Hz | |
| Fan Cooled | Yes | |
| Fuse Rating | 40 x 1 | |
| Speaker Level Inputs | --- | |
| Preamp Outputs | 1 pair | |
| Width (inches) | 13-3/4 | |
| Height (inches) | 2-1/4 | |
| Depth (inches) | 9-3/8 | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
Product Research
Controls
Connections
Features
CEA 2006 Compliant: The KAC-7204's power ratings are measured according to the strict standards dictated by the Consumer Electronics Association (CEA). These standards allow you to accurately compare the rated power output of all CEA 2006-compliant amplifiers, even if they come from different brands. Manufacturers who adhere to the standards can display the CEA 2006 logo on their products and packaging.
Speaker Level Input: The KAC-7204 comes with a two channel speaker level input harness. Once you splice the speaker wires from the receiver to the harness, you have plug-in convenience to the amplifier. This feature makes it easier to add an amplifier to a factory radio or to a receiver with no preamp outputs. The maximum power output from the source receiver can be no more than 40 watts.
Signal-sensing Turn-On Circuitry: When the speaker-level input is used, it is not necessary to connect the power control wire (turn-on lead). The amplifier senses the signal from the speaker-level input and turns the amplifier power on automatically. Shortly after no signal is detected, the amplifier will automatically shut itself off.
Crossover: The amplifier has a three-way filter switch, allowing you to choose low-pass (LPF), high-pass (HPF), or full-range (Filter Off) operation. There are rotary controls for both Low Pass and High Pass cutoff frequencies, allowing you to select them separately.
Bass Boost: You can apply a bass boost of up to +18dB at 40Hz. The rotary control is located on the front of the amplifier.
Protection circuitry: The amplifier features protection circuits that will turn the amp off in case of the following events:
- Speaker output contacts ground
- Speaker wire short-circuits
- Unit malfunctions and DC is sent to speaker output
- Internal temperature is too high
- Loss of ground of head unit or amp
Fan Cooled: The KAC-7204 is equipped with two, rear panel-mounted cooling fans. One fan acts as an intake while the other serves as an exhaust to create a current of cooling air flowing through the inside of the amplifier.
Controls
Front Panel:
- Bass Boost Rotary Control: 0-18dB
- Input Sensitivity Rotary Control: 200 mV-5V
- 3-Way Filter Switch: LPF-Off-HPF
- LPF Frequency Rotary Control: 50-200 Hz
- HPF Frequency Rotary Control: 50-200 Hz
Connections
Front Panel:
- Fuse: 40 amps
- Battery: Screw terminal (accepts up to 4 gauge wire)
- Ground: Screw terminal (accepts up to 4 gauge wire)
- Power Control (Remote Turn-on): Screw terminal (accepts up to 8 gauge wire)
- Speaker Outputs: Screw terminals (accepts up to 8 gauge wire)
- Line In: 1 pair RCA inputs
- Line Out: 1 pair RCA outputs
- Speaker-level input: Multi-pin input for use with included speaker level input harness
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Customer Q&A
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Amazing amp. I ran it with a single JL Audio 8W7-AE
Malik from Winter Garden, FL