Troubleshooting | Clarion APX1301E, APX4241E, APX2121E manual

6. TROUBLESHOOTING

No Audio

•Low or no remote turn-on voltage: check remote connections at the amplifier and source unit.

•Blown amplifier fuse: replace with a new fast-blow fuse (same rating).

•Power wires not connected: check battery and ground wiring at the amplifier and check the battery connections.

•Speaker leads shorted: check speaker continuity to ground; it should not show a common ground.

•Speakers not connected or are blown: check speaker connections at the amplifier; measure coil impedance.

Audio cycles on and off

•Thermal protection circuits are shutting the amplifier off.

•Check the location for adequate ventilation. Consult an authorized Clarion audio dealer.

Distorted audio

•Gain is not properly set or the speaker cones are damaged.

•Review the instructions for setting the gain. Inspect each speaker cone for signs of damage, such as a frozen cone, burning smell, etc.

Amplifier fuse keeps blowing

•The wiring is connected incorrectly or there is a short circuit.

•Review the installation precautions and diagram in this manual and check all wiring connections.

Whining or ticking noise when engine on

•The amplifier is picking up alternator or radiated noise.

•Turn down input gain.

•Move the audio cables away from the power wires.

•Check the power and ground connections on the amplifier and install an in-line noise filter on the source unit’s power wire.

•Check the alternator and/or voltage regulator. Test for a weak battery or add water to the battery.

APX2121E, APX4241E, APX1301E specifications

The Clarion APX series, consisting of the APX1301E, APX2121E, and APX4241E, represents a versatile lineup of car audio components designed to elevate the in-car listening experience. These models cater to a range of needs, from entry-level enthusiasts to audiophiles seeking superior sound quality.

Starting with the APX1301E, this model features a powerful 13 cm woofer that delivers clear and robust bass while maintaining a balanced mid-range response. It employs a wide frequency response range, ensuring that all musical genres sound vibrant. The speakers are designed with high-quality materials that enhance durability and performance, including a lightweight yet rigid cone and an efficient ferrite magnet. The APX1301E is ideal for users looking for an upgrade from factory-installed speakers without breaking the bank.

Next in the series is the APX2121E, which boasts a two-way coaxial design that incorporates a 21 cm woofer alongside a separate tweeter. This configuration offers improved sound staging and clarity, with enhanced high-frequency response that brings vocals and instruments to life. The APX2121E utilizes advanced technologies like a rubber surround for better damping and a neodymium magnet structure that minimizes distortion. This model is perfect for those seeking a full-range sound solution that fills the car cabin with rich audio.

Finally, the APX4241E steps up the game with a four-way speaker system that provides an expansive frequency response and competitive performance. Featuring a 24 cm woofer, mid-range drivers, and high-frequency tweeters, it creates a surround-like sound experience in the vehicle. The APX4241E is engineered with meticulous attention to detail, including features like a butyl rubber surround for improved longevity and an innovative crossover network that ensures smooth transitions between drivers. This makes it an excellent choice for audiophiles who demand high fidelity and dynamic bass.

All three models in the Clarion APX series are compatible with a variety of audio systems and offer easy installation options. They also possess robust build quality, making them reliable for everyday use. With their diverse range of features and technologies, the APX1301E, APX2121E, and APX4241E are sure to cater to different listening preferences, making them noteworthy choices in the competitive car audio market.