Examples:

 

 

 

 

 

Model

Stereo Connections (4Ω )

Bridged Connections (4Ω )

KAC-648

50 W or greater

140 W or greater

50W 50W

(4Ω ) (4Ω ) 4 Ω

Maximum output of

Combined

the amplifier

impedance

 

 

 

 

50W

 

 

 

50W

 

 

 

(2Ω )

50W

 

 

 

 

 

 

 

(4Ω )

 

 

 

50W

(4Ω )

 

 

 

 

 

 

 

 

(2Ω )

 

 

 

 

 

 

 

 

 

 

 

 

 

4 Ω

 

 

 

Rated input power and impedance of the speakers

25W 25W

(8Ω ) (8Ω )

4Ω

RCA cable connection

2CAUTION

Do not connect cables and leads to both RCA cable input jacks and the speaker input terminals simultaneously, for this may cause malfunction or damage.

RCA cable ground terminal

A Left input

 

 

B Left input

 

FILTER

 

OPERATION

INPUT SELECTOR

 

LINE IN

LINE OUT

OPERATION

FILTER

 

 

(Lch)

 

OFF

 

STEREO MONO(Lch)

A B

A

A

B

A + B

STEREO MONO

OFF

HPF LPF

 

 

 

 

 

 

 

HPF LPF

 

 

 

1.0

 

 

 

 

1.0

 

 

 

 

0.5

MONO L

 

 

L

0.5

 

 

 

 

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.3

 

 

 

 

0.3

 

 

 

MIN

MAX

 

 

 

 

MIN MAX

4 CHANNEL

 

 

INPUT

 

 

 

 

INPUT

 

 

SENSITIVITY(V)

R

 

 

R

SENSITIVITY(V)

POWER AMPLIFIER

 

 

CONTROL A

 

 

 

 

 

CONTROL

B

 

A Right input

 

 

 

B Right input

To Power control

 

 

 

 

 

RCA cable

 

 

 

 

 

(Commercially available part)

(REMOTE) terminal

Front output

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CENTER UNIT

(Cassette receiver, CD receiver, etc.)

Rear output

RCA cable ground terminal

When using an RCA cable with a ground lead attached, connect the ground lead to this terminal.

2CAUTION

Do not use this terminal for power source grounding. This unit will be damaged if the power source grounding wire is connected to this terminal.

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Kenwood RCA cable connection, Examples Model Stereo Connections 4Ω, KAC-648 Or greater, RCA cable ground terminal

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.