7. GLOSSARY

Crossover: A device that limits the range of frequencies sent to a speaker or amplifier.

dB: decibel, a measurement of the relative difference in power or intensity between two acoustic signals.

Equalizer: Component that boosts or cuts sound signal frequencies to improve the quality of the sound.

Gain control: gain is the amount of amplification (voltage, current or power) of an audio signal expressed in dB.

Hz: Abbreviation for Hertz, a unit of frequency equal to one cycle per second.

Octave: the musical principle of dividing sound frequencies into the eight notes of the musical scale.

Ohm: unit of electric resistance

RCA input/output: port through which sound travels in and out of the system; “RCA” refers to the type of connector, which was first manufactured by the Radio Corporation of America.

Slope: how fast the sound gets quieter rated in dBs. The higher the dB number, the faster the frequency drops off.

8. SPECIFICATIONS

Note:

The technical data and the design of the equipment may change without prior notice for the sake of technical improvements.

APX4241E

Maximum power output

400W

Continuous rated power *

60W x 4

Typical power in bridged mode **

100W x 2

Typical power in 2-Ohm load **

80W x 4

IM distortion

< 0.1%

S/N (A-weighted)

> 75dB

Floor noise

A / N

Channel separation

> 60dB

Frequency response

20Hz-20kHz full range

Line level input sensitivity

200mV to 5.5 Volts

Speaker level input sensitivity

2V to 9 Volts

Input impedance

22K Ohm

Allowable battery voltage

9.6 to 15.6 Volts

Size (L × W × H) in mm

300 × 280 × 55

*THD < 0.1%, 10Hz-20kHz, into 4-Ohms, @ 14.4V, all channels driven

**THD < 0.1%, 10Hz-20kHz, @ 14.4V, all channels driven

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Clarion APX4241E, APX1301E, APX2121E manual Glossary, Specifications
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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.
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