Connection

Speaker level input connection

Connect the unit by inserting it in the connection between the genuine-accessory car stereo and speakers.

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.

To Power control

A Left input

(REMOTE) terminal

A Right input

FUSE(25A)

25

POWER IN SPEAKER OUTPUT

BRIDGED

RIGHT

 

LEFT

A

BATTCON(REMOTE)

B

ACC

LEFT RIGHT

A

SPEAKER LEVEL INPUT

A

B B

L R

B Right input

Battery

Car fuse

B Left input

 

box

 

 

 

Front Right

Genuine-accessory

Front Left

car stereo

 

Rear Left

 

 

 

 

Rear Right

INPUT

LEVEL

HT

RIG

 

SPEAKERFT

LE

Lead terminal

(Commercially available parts)

2CAUTION

The genuine-accessory car stereo shall have a maximum power output of no more than 25 W.

Do not connect the speaker output leads from a power amplifier (Optional) to the speaker input terminals of this unit, for this may cause malfunction or damage.

Connect the power control lead to a power supply which can be turned ON/OFF by the ignition key switch (ACC line).

With this connection, shock noise may be generated when the power of the genuine-accessory car stereo is switched ON/OFF.

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Kenwood KAC-648 instruction manual Speaker level input connection, Acc

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.