JBL Apex PA1254 4-Channel Weather-Resistant Class D Amplifier

The JBL Apex PA1254 is a high-performance, 4-channel powersport amplifier Designed for car, marine and off-road applications . The ultra-compact aluminum frame and “marineized” electronics allow installation even in the narrowest spaces and environments difficult exteriors, without sacrificing power and reliability of JBL sound.

Main features

• Ultra-compact aluminum frame – easy to install almost anywhere
• Conformal Coated PCB – Fully “Marinized” to Resist Water, Humidity and Salt
• High dynamic power – designed to drive JBL car, marine and powersports systems
• Full-range outputs and selectable crossovers for quick and flexible installations
• High-level and low-level inputs for integration with almost any source
• Reliability to HARMAN standards – extreme temperature, vibration, UV and salt spray tests
• JBL Industrial Design – sophisticated aesthetics that enhance the vehicle

User benefits

• Simplified installation thanks to the compact size and complete wiring
• Enough power to drive multiple speakers or small subwoofers in 2/3/4-way systems
• Reliable operation over time even on boats, UTVs, quads and open vehicles
• Flexible audio setup with selectable high-pass, low-pass and full-range filters

Technical specifications

• Type: 4-channel Class D amplifier, multi-application
• RMS Power @ 2 Ω (full-range): 125 W x 4 (<1% THD+N)
• RMS Power @ 4 Ω (full-range): 75 W x 4 (<1% THD+N)
• RMS power @ 4 Ω bridge (full-range): 250 W x 2 (<1% THD+N)
• Selectable front high-pass filter: OFF / 60 / 80 / 120 Hz @ 12 dB/octave
• Selectable rear filter: full / hi-pass / lo-pass (60 / 80 / 120 Hz @ 12 dB/octave)
• Frequency response: 20 Hz – 20 kHz
• Signal-to-noise ratio (full-range): >75 dB (reference 1 W @ 4 Ω)
• Fuse: 40 A

Built to last

• Ultra-strong and compact aluminum frame
• PCB coated against humidity and external agents
• Extreme tests: freezing, high temperatures, vibrations, UV rays, salt spray and full power operation for days

Package Contents

• 1 x JBL Apex PA1254 amplifier
• Stainless steel mounting hardware
• 4 x High-Level Input Adapters
• 4 x zip ties
• 1 x Spare Fuse
• 2 x JBL Stickers
• Quick Start Guide