About the Kenwood KAC-7252
Build your car audio system on a firm foundation of power — Kenwood power! Kenwood amplifiers are famous for their rugged, no-nonsense reliability and superior sound quality. Efficient MOSFET power supplies, a built-in cooling fan, and beefy internal components ensure an abundant supply of clean, crisp sound at a great dollar-to-watt value.
The KAC-7252 2-channel amplifier can bring on the bass with plenty of power to drive your subs or component speakers. Use the variable bass boost circuit to add a little extra thump. The bass boost can be controlled by the included wired bass remote, so you can fine tune the system right from the driver's seat!
Looking for the high-end details? The KAC-7252 is a great match for a pair of high-quality component speakers. The variable high- and low-pass filters (50-200 Hz) let you tailor the frequency output to the job at hand.
Speaker-level inputs allow you to hook this amp up to your factory stereo. If you're running multiple amps, the preamp outputs let you daisy-chain another amp, without running extra RCA cables. Gold-plated connectors guard against corrosion that can degrade signal quality over time.
Product highlights:
- two-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)
- high- and low-pass filters (50-200 Hz, 12 dB/octave high and 24 dB/octave low) per octave)
- variable bass boost with wired remote (0-18 dB, 40-100 Hz)
- MOSFET power supply
- Tri-way capable (Tri-Way crossover required)
- CEA-2006 compliant
- cooling fan
- preamp- and speaker-level inputs
- preamp outputs
- fuse rating: 40A x 1
- 8-gauge power and ground leads recommended — wiring and hardware not included with amplifier
- 15"W x 2-1/2"H x 11-5/16"D
- warranty: 1 year
- MFR # KAC-7252
What's in the box:
Kenwood KAC-7252 owner's manual
- Two-Channel amplifier with 40-amp blade fuse inserted into the chassis
- Remote bass boost control
- 20' Remote control cable (4 Lead phone cord with RJ-11 connectors at both ends)
- Mounting bracket for remote control
- Allen wrench
- 7" Speaker-level input harness
- Rubber terminal cover
- Four 3/4" Self-tapping screws
- Two 1/2" Self-tapping screws
- Instruction Manual (English/French/Spanish)
- Warranty information
- Note about rear-side cover
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More details on the Kenwood KAC-7252
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 | |
| Power at 1 Ohm (Watts x Channels) | --- | |
| Bridged Power (Watts x Channels) | 500 x 1 | |
| Minimum Impedance Bridged | 4 | |
| Minimum Impedance Unbridged | 2 | |
| Minimum Impedance | 2 | |
| Best Frequency Response | 5-50kHz Hz | |
| THD at Rated RMS Power | 1% | |
| Signal to Noise Ratio | 100 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 | 40-100 Hz | |
| Fan Cooled | Yes | |
| Fuse Rating | 40 x 1 | |
| Speaker Level Inputs | --- | |
| Preamp Outputs | 1 pair | |
| Width (inches) | 15 | |
| Height (inches) | 2-1/2 | |
| Depth (inches) | 11-5/16 | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
Product Research
Features
Inputs and Outputs
Controls
Additional Specifications
Line Level Inputs: The RCA type line-level inputs have a gain (Input Sensitivity) control that will accept an input signal of 200mV to 5.0 Volts.
Speaker Level Input: The KAC-7252 comes with a 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.
Line Level Output: The amplifier has a line level output for feeding a second amplifier. The output is the same signal fed to the input.
Crossovers: The KAC-7252 has built-in high pass and low pass crossovers. The high pass crossover's slope is 12 dB/octave and is continuously variable from 50Hz to 200Hz. The low pass crossover's slope is 24 dB/octave and is also continuously variable from 50Hz to 200Hz.
Remote Bass Boost: The bass boost level is adjustable from 0-18 dB and the boosted frequency is adjustable from 40Hz to 100 Hz. The adjustments to the bass boost circuit are made using the wired remote control. The remote is designed to mount in the front of the vehicle for easy access and is wired to the amp using the included 20' cord. The remote's mounting hardware is also included. The width of the remote is 2.763", the height is 1.301", and the depth is 1.961".
Fan: There is a fan on top of the amp to help dissipate heat and ensure cool, reliable operation.
Stereo/Mono Operation: If the KAC-7252 is to be bridged, the operation mode switch on the top of the amp is set to mono. When switched to Mono, the signal from the left channel input only is used.
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
Front of the Amplifier
- Fuse: 40 amp
- Power: Screw terminal (0.55" wide)
- Ground: Screw terminal (0.55" wide)
- Remote turn-on: Screw terminal (0.33" wide)
- Speaker outputs: Screw terminals (0.33" wide)
- Remote: Remote bass boost control jack (RJ-45)
- GND: Phillips-head screw for RCA signal ground
- Speaker-level input: Multi-pin input for use with included speaker level input harness
- Line in: One pair RCA inputs
- Line out: One pair RCA outputs
Top of the Amplifier
- Crossover: High Pass/Low Pass/Off
- Operation Mode: Stereo/Mono
- High Pass Frequency: 50-200 Hz
- Low Pass Frequency: 50-200 Hz
- Input Sensitivity: 200 mV-5 V
CEA-2006 Compliant: CEA-2006 is a new system of testing & measurement methods for mobile audio amplifiers. This voluntary standard advocates a uniform method for determining an amplifier's RMS power output and signal-to-noise ratio. The criteria for measuring power uses a DC input voltage of 14.4 volts and the RMS power output is measured into a 4-ohm load, with 1% or less Total Harmonic Distortion (THD) plus noise, and at a frequency range (for full range amplifiers) of 20 Hz to 20,000 Hz. Signal-to-Noise ratio is measured in weighted absolute decibels (dBA) at a reference of 1 watt into 4 ohms. CEA-2006 allows consumers to compare car amplifiers and receivers on an equal basis.
Power: Using the CEA-2006 guidelines listed above, the power output of the KAC-7252 is 150 watts RMS x 2 channels.
Kenwood also lists the following specifications:
- Power output at 2 ohms: 250 watts x 2 (1 kHz, 0.8% THD)
- Power output at 4 ohms, bridged: 500 watts x 1 (1 kHz, 0.8% THD)
- Input impedance: 10k ohms
- Operating voltage: 14.4 V (11-16V allowable)
- Current consumption: 40A
The Kenwood KAC-7252 replaces these items
- 500 watts RMS x 1 bridged
- 50-200 Hz variable high- and low-pass filters
- wired remote control
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Customer Q&A
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This amp is perfect for a standard car audio system. Remote control makes it easy to adjust settings, 1 40 amp fuse makes it easy to install, and 500 watts makes subwoofer sound great.
EAGLE1 from Millville NJ