JBL Apex 4 Channel Amplifier
Class D 450W Peak
Model: PA454The Apex Series PA454 powersports amplifiers deliver efficient Class D power, from an ultra-compact chassis, designed to fit into tight spaces and withstand outdoor environments without missing a beat. Available with 4-channels of output power, the Apex Series PA454 includes selectable front/rear electronic crossover frequency adjustment for quick and easy installation. Plus, it has been engineered for harsh conditions, with power and performance to meet the needs of most audio systems making it the perfect match for all of your JBL car, marine and powersports products.
Specifications| Max Power | 450W peak |
| RMS Power Output @ 4Ω | 45W x 4, <1% THD+N |
| Selectable hi-pass filter | off, 60-, 80-, 120Hz @ 12dB/octave |
| Frequency Response | 20Hz — 20kHz |
| Signal-to-Noise Ratio | >75dB (ref 1W output @ 4Ω) |
| Fuse rating | 15A |
The JBL Apex 4 Channel Amplifier Class D 450W Peak, part number APEX PA454, is a compact audio amplifier designed for integration into various vehicle audio systems. This Class D amplifier delivers efficient power from an ultra-compact aluminum chassis, making it suitable for installations with limited space. It features both speaker-level and low-level inputs, allowing compatibility with a wide range of audio sources. Engineered to withstand harsh conditions, the unit incorporates fully marinized circuit boards and undergoes extensive environmental testing, including exposure to extreme temperatures, vibration, UV light, and salt spray. This design focus makes it a practical choice for car, marine, and powersports applications where durability and consistent performance in challenging environments are critical. The amplifier also includes selectable front/rear electronic crossover frequency adjustments for streamlined installation and system tuning.
The JBL Apex amplifier supports both speaker-level and low-level inputs, allowing for integration with a wide variety of audio sources and head units.
The box contains one amplifier, stainless steel mounting hardware, four high-level input adapters, four zip ties, one spare fuse, two JBL stickers, and a quick start guide.
The amplifier delivers an RMS power output of 45W x 4 channels at 4 ohms. The peak power is rated at 450W.
Yes, the JBL Apex amplifier is engineered for harsh conditions with fully "marinized" circuit boards and an ultra-compact aluminum chassis designed to withstand outdoor environments, including exposure to UV light and salt spray.
APEX PA454 - Jbl Apex 4 Channel Amplifier Class D 450W Peak