The Focal AP 4.340 is a versatile 4-channel Class A/B amplifier designed for flexibility in installation and sound customization. It can operate in four-channel, three-channel, or two-channel configurations, making it suitable for a variety of audio setups. This amplifier features built-in crossovers that can be adjusted for high-pass or low-pass operation, enabling users to tailor their audio frequencies to their preference. The aluminum chassis is optimized for heat dissipation, ensuring reliability during extended use.
This amplifier delivers a respectable power output of 70 watts RMS per channel at 4 ohms and 95 watts RMS at 2 ohms, with a maximum bridged output of 190 watts at 4 ohms. The crossover settings also allow for a range of cutoff frequencies: for channels 1 & 2, the high-pass crossover can be set between 60Hz and 1.2kHz, while for channels 3 & 4, the low-pass crossover ranges from 50Hz to 250Hz and the high-pass can be adjusted from 100Hz to 2.2kHz. The Frequency response is broad, extending from 10Hz to 30kHz, with low total harmonic distortion measured at just 0.06%.
The amplifier also includes several protection circuits to safeguard against short circuits, low impedance, thermal overload, reversed polarity, and voltage irregularities. Additionally, users can adjust the gain with separate rotary controls for both the front and rear channels. The AP 4.340 is equipped with screw terminals for all connections, ensuring secure wiring, and features RCA inputs for easy integration with aftermarket head units. Bass boost options are available, enhancing low-frequency performance. Overall, the Focal AP 4.340 combines robust power with a suite of customizable features, making it a solid choice for car audio enthusiasts.
