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•This unit is for vehicles with a 12-volt battery and negative grounding. Before installing it in a recreational vehicle, truck, or bus, check the battery voltage.

•To avoid shorts in the electrical system, be sure to disconnect the ￿battery cable before beginning installation.

•Refer to the owner's manual for details on connecting the power amp and other units, then make connections correctly.

•Secure the wiring with cable clamps or adhesive tape. To protect the wiring, wrap adhesive tape around them where they lie against metal parts.

•Route and secure all wiring so it cannot touch any moving parts, such as the gear shift, handbrake and seat rails. Do not route wiring in places that get hot, such as near the heater outlet. If the insulation of the wiring melts or gets torn, there is a danger of the wiring short-circuiting to the vehicle body.

•Don't pass the yellow lead through a hole into the engine compartment to connect to the battery. This will damage the lead insulation and cause a very dangerous short.

•Do not shorten any leads. If you do, the protection circuit may fail to work when it should.

•Never feed power to other equipment by cutting the insulation of the power supply lead of the unit and tapping into the lead. The current capacity of the lead will be exceeded, causing overheating.

•When replacing fuse, be sure to use only fuse of the rating prescribed on this unit.

•Since a unique BPTL circuit is employed, never wire so the speaker leads are directly grounded or the left and right ￿speaker leads are common.

•Speakers connected to this unit must be high-power types with minimum rating of 40 W and impedance of 4 to 8 ohms. Connecting speakers with output and/or impedance values other than those noted here may result in the speakers catching fire, emitting smoke or becoming damaged.

•When this product's source is switched ON, a control signal is output through the blue/white lead. Connect to an external power amp's system remote control or the car's Auto-antenna relay control terminal. (Max. 300 mA 12 V DC.) If the car features a glass antenna, connect to the antenna booster power supply terminal.

•When an external power amp is being used with this system, be sure not to connect the blue/white lead to the amp's power terminal. Likewise, do not connect the blue/white lead to the power terminal of the auto-antenna. Such connection could cause excessive current drain and malfunction.

•To avoid short-circuiting, cover the disconnected lead with insulating tape. Especially, insulate the unused speaker leads without fail. There is a possibility of short-circuiting if the leads are not insulated.



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Pioneer KEH-P5900R manual RQQHFWLQJWKH8QLWV
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KEH-P5900R specifications

The Pioneer KEH-P5900R is a high-performance car audio receiver that combines cutting-edge technology with user-friendly features, delivering an exceptional listening experience for automotive enthusiasts. Designed with precision and quality in mind, this model is a popular choice for those who prioritize sound clarity and versatility.

One of the standout features of the KEH-P5900R is its advanced CD playback capabilities, allowing users to enjoy their favorite music with remarkable audio fidelity. The receiver supports various disc formats, including CD-R and CD-RW, making it versatile for different media. Additionally, the built-in AM/FM tuner provides access to a wide range of radio stations, ensuring that there’s always something to listen to on the road.

The KEH-P5900R also comes equipped with a user-friendly interface, featuring a bright, backlit display that enhances visibility, even in low-light conditions. The rotary knob and soft-touch buttons make navigation through menus and settings intuitive, allowing users to easily adjust volume, switch tracks, or change radio stations while driving.

For those who prefer digital music, the Pioneer KEH-P5900R supports MP3 and WMA file formats, enabling playback from a variety of external devices. The front-panel auxiliary input allows for easy connectivity with smartphones and portable music players, while the built-in USB port provides further options for digital media playback. This ensures that users can enjoy their entire music library without compromise.

A noteworthy characteristic of the KEH-P5900R is its high-power Amplifier output. With 50 watts of peak power per channel, this receiver delivers powerful and clear sound reproduction, ensuring that every note is heard with precision. The built-in 24-bit Digital-to-Analog Converter (DAC) enhances the audio experience, providing improved sound quality compared to standard receivers.

Additionally, the KEH-P5900R features customizable sound settings, including a 5-band graphic equalizer that allows users to tailor the audio output to their personal preferences. The built-in low-pass and high-pass filters allow for greater control over speaker performance, ensuring optimal sound depending on the type of music being played.

In conclusion, the Pioneer KEH-P5900R is a robust car audio receiver that offers a blend of traditional CD playback, modern digital media options, and high-quality sound. With its user-friendly interface, powerful amplification, and customizable sound settings, it remains a top choice for car audio enthusiasts seeking both performance and reliability on the road.
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