JBL Apex PA1254 Compact 4-channel powersports amplifier — 75 watts RMS x 4

The JBL Apex PA1254 is a compact 4-channel Class D powersports amplifier designed to deliver reliable, clean power in space-limited and harsh environments. Rated at 75 watts RMS per channel at 4 ohms, this amplifier offers efficient full-range performance with the flexibility to handle lower impedance loads or bridged configurations for higher output. Its compact aluminum chassis and weather-resistant construction make it ideal for motorcycles, ATVs, UTVs, boats, and compact car audio installations where durability and size are critical. The PA1254 is well suited for enthusiasts and professional installers seeking consistent performance in demanding conditions.

KEY BENEFITS

• Four-channel design delivers balanced power for front and rear speaker systems
• 75 watts RMS per channel at 4 ohms provides clean, controlled full-range output
• Stable operation at 2 ohms per channel for increased power capability
• Bridgeable channels allow higher output for subwoofers or high-power speaker setups
• Class D efficiency minimizes heat generation in compact installations
• Compact chassis fits easily in tight mounting locations
• Weather-resistant construction supports outdoor and powersports use
• Selectable crossovers allow flexible system tuning

TECHNICAL SPECIFICATIONS

• Weight: 2.85 lb
• Dimensions: 10.13″ L × 3.31″ W × 1.75″ H
• Power Handling: 75 W RMS × 4 @ 4 Ω / 125 W RMS × 4 @ 2 Ω / 250 W RMS × 2 bridged @ 4 Ω
• Impedance: 2 Ω minimum (stereo), 4 Ω minimum (bridged)
• Frequency Response: 20 Hz – 20,000 Hz
• Total Harmonic Distortion: < 1%
• Signal-to-Noise Ratio: > 75 dB
• Amplifier Class: Class D
• Crossover Filters: Selectable high-pass and low-pass
• Input Sensitivity (Low Level): 0.2 V – 6 V
• Input Sensitivity (High Level): 0.5 V – 15 V
• Fuse Rating: 40 A

INSTALLATION & COMPATIBILITY

The JBL Apex PA1254 is designed for installation in motorcycles, powersports vehicles, boats, and compact automotive applications where space and environmental resistance are important. Its small footprint allows mounting in tight locations, while the weather-resistant design supports use in exposed conditions. Compatible with factory or aftermarket head units thanks to high- and low-level inputs, this amplifier can power full-range speakers or be bridged for higher-power applications. Proper power wiring and secure mounting are recommended to ensure stable operation and long-term reliability.

FAQS

• What products are included in the JBL Apex PA1254 category?
  This category features 4-channel amplifiers designed to power full-range speaker systems with clean, consistent output. Users can explore options suited for doors, components, and balanced multi-speaker upgrades.
• How does a 4-channel amp like the PA1254 improve a system?
  A dedicated 4-channel amp increases headroom and clarity over head unit power. Browsing this category helps users achieve louder, cleaner mids and highs.
• How do I choose the right JBL Apex PA1254 amplifier?
  Consider RMS power per channel, impedance stability, and mounting size. Exploring the category helps ensure compatibility with speakers and vehicle layout.
• Is the JBL Apex PA1254 suitable for daily driving?
  Yes, it’s designed for dependable daily use. The category includes amplifiers that deliver clean sound without heavy electrical demands.