Installation procedure

1.Remove the ignition key and disconnect the negative - terminal of the battery to prevent short circuits.

2.Set the unit according to the intended usage.

3.Connect the input and output cables of the units.

4.Connect the speaker cables.

5.Connect the power cable, power control cable and grounding cable following this order.

6.Install the unit in the car.

7.Connect the negative - terminal of the battery.

2CAUTION

•Be sure to turn the power off before changing the setting of any switch.

•If the fuse blows, check cables for shorts, then replace the fuse with one of the same rating.

•Check that no unconnected cables or connectors are touching the car body. Do not remove caps from unconnected cables or connectors to prevent short circuits.

•Connect the speaker cables to appropriate speaker connectors separately. Sharing the negative cable of the speaker or grounding speaker cables to the metal body of the car can cause this unit to fail.

•After installation, check that the brake lamps, winkers, and wipers work properly.

Installation

Self-tapping screw

Installation board, etc. (thickness : 15 mm or more)

•Since the power amplifier has no parts which require operation, it can be installed at a position away from the driver’s seat without any hindrances.

As generally accepted positions for its installation, places such as inside the trunk, etc. can be considered.

•Use the extension cables. (Optional.)

Type

Length

0.5m

RCA cable

CA-2SL

CA-12SL

CA-22SL

CA-52SL

RCA cable (ø7mm)

CA-3WL

CA-13WL

CA-23WL

CA-53WL

RCA cable (ø12mm)

CA-5W

CA-15W

CA-25W

CA-45W

CA-65W

2CAUTION

•Do not install the unit under the carpet. Otherwise heat build-up occurs and the unit may be damaged.

•Install this unit in a location which allows heat to easily dissipate. Once installed, do not place any object on top of the unit.

•The surface temperature of the amplifier will become hot during use. Install the amplifier in a place where people, resins, and other substances that are sensitive to heat will not come into contact with it.

•When making a hole under a seat, inside the trunk, or somewhere else in the vehicle, check that there is nothing hazardous on the opposite side such as a gasoline tank, brake pipe, or wiring harness, and be careful not to cause scratches or other damage.

•Do not install near the dashboard, rear tray, or air bag safety parts.

•The installation to the vehicle should securely fasten the unit to a place in which it will not obstruct driving. If the unit comes off due to a shock and hits a person or safety part, it may cause injury or an accident.

•After installing the unit, check to make sure that electrical equipment such as the brake lamps, turn signal lamps and windshield wipers operate normally.

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.