Kenwood KAC-648 instruction manual Specifications, General

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Specifications

Specifications subject to change without notice.

Audio Section

Max Power Output.................................................................................................................(4 Ω )

50 W ⋅ 4

4 Channel Mode

3 Channel Mode

50 W ⋅ 2 + 140 W ⋅ 1

2 Channel Mode

140 W ⋅ 2

Rated Power Output..........................................................................(4 Ω )

25 W ⋅ 4 (DIN45324, +B=14.4 V)

4 Channel Mode

3 Channel Mode

25 W ⋅ 2 (1 kHz, 0.08 % THD) + 70 W ⋅ 1 (1 kHz, 0.8 % THD)

2 Channel Mode

70 W ⋅ 2 (1 kHz, 0.8 % THD)

Rated Power Output.................................................................................(2 Ω )

35 W ⋅ 4 (1 kHz, 0.8 % THD)

4 Channel Mode

Frequency Response

10 Hz ~ 45 kHz (+0, –1 dB)

Signal to Noise Ratio

100 dB

Sensitivity (MAX)

0.2 V (rated output)

Sensitivity (MIN)

4.0 V (rated output)

Input Impedance

10 kΩ

Low Pass Filter

80 Hz (12 dB/oct.)

High Pass Filter

150 Hz (12 dB/oct.)

General

Operating Voltage

14.4 V (11 ~ 16 V allowable)

Current Consumption

22 A (1 kHz, 10% THD)

Dimensions (W ⋅ H ⋅ D)

260 ⋅ 56.5 ⋅ 209 mm

Weight

3.0 kg

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Contents KAC-648 Safety precautions Protection functionInstallation procedure InstallationControls System examples High-power 2-channel system High-pass + Subwoofer systemTri-mode ExamplePower cable connection Power terminalWiring ConnectionSpeakers cable connection Stereo Connections Speaker SelectionRCA cable connection Examples Model Stereo Connections 4ΩKAC-648 Or greater RCA cable ground terminalSpeaker level input connection ACCTroubleshooting Guide No soundNo sound from one side Specifications General

KAC-648 specifications

The Kenwood KAC-648 is a highly regarded car amplifier that is designed to enhance the audio experience in vehicles. Known for its robust performance and advanced features, this amplifier is a top choice for audio enthusiasts looking to upgrade their sound system.

One of the standout features of the KAC-648 is its powerful output capability. It delivers a peak power output of 600 watts, with a continuous power of 75 watts per channel at 4 ohms. This ensures that even the most dynamic audio tracks can be played with clarity and volume without distortion. The amplifier is capable of driving various speaker configurations, making it versatile for different setups in automobiles.

The KAC-648 employs a Class AB circuitry design, which is known for providing a good balance between sound quality and power efficiency. Class AB amplifiers are favored in the automotive audio community because they deliver a warm and rich sound while also maintaining low heat levels during operation. This means that users can enjoy long listening sessions without worrying about the amplifier overheating.

In terms of installability, the KAC-648 comes with various features that facilitate easy integration into any car audio system. It includes speaker level inputs, allowing the amplifier to connect directly to the factory radio without requiring a line output converter. Additionally, the amplified system has adjustable bass boost and crossover controls that provide tuning flexibility, enabling users to adapt the sound to their personal preferences and achieve a custom audio experience.

The build quality of the Kenwood KAC-648 is notable, featuring a durable metal chassis that not only protects the internal components but also ensures longevity. The amplifier is designed to withstand the rigors of automotive environments, with features that guard against short circuits and overheating.

Another key aspect of the KAC-648 is its compact design, which allows for flexible installation options in various vehicle types. Due to its relatively small footprint, it can be mounted in tight spaces without sacrificing power or performance.

Overall, the Kenwood KAC-648 amplifier stands out in the competitive car audio market for its robust performance, versatility, and user-friendly features. Whether you are looking to simply enhance your vehicle's sound system or build a complete high-performance audio setup, the KAC-648 is an excellent choice that delivers exceptional value and quality.
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