JBL APEX AMPLIFIER PA1254 1250W 4 CHANNEL
SKU: 117396
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The JBL Apex PA1254 is the high-output big brother of the Apex series. While it maintains the same ultra-compact footprint as its smaller siblings, it nearly doubles the power, making it the ideal choice for driving high-performance marine speakers or even a pair of subwoofers in a space-constrained environment.
Serious Power, Minimal Footprint
The "1254" stands for its massive 1250W Peak Power capability. Despite being smaller than a shoe, this amp is a powerhouse:
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High-Output Class D Efficiency: Delivers a clean 75W RMS x 4 at 4 ohms, or a punchy 125W RMS x 4 at 2 ohms.
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Bridgable for Versatility: Need to power a sub? Bridge the channels to get 250W RMS x 2 at 4 ohms. This allows you to run a "3-channel" setup (two speakers + one subwoofer) with ease.
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Ultra-Compact Aluminum Chassis: Measures only 170mm x 85mm x 45mm, allowing it to fit into storage cubbies, under consoles, or behind fairings where traditional amps simply can't go.
Marine-Grade Touches
Like all Apex units, the PA1254 is built to withstand "worst-case scenario" weather:
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Marinized Protection: Features a conformal-coated PCB to prevent corrosion from salt air and moisture.
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Harman Torture-Tested: Every unit is subjected to UV-light blasting, salt spray, and extreme temperature cycling (freezing and baking) to ensure it won't fail when you're miles from the dock.
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Weather-Resistant Control Cover: A removable plate protects the gain and crossover settings from direct water contact and accidental adjustments.
Technical Specifications
| Feature | Specification |
| Peak Power | 1250W |
| RMS Power (4Ω) | $75\text{W} \times 4$ |
| RMS Power (2Ω) | $125\text{W} \times 4$ |
| RMS Bridged (4Ω) | $250\text{W} \times 2$ |
| Frequency Response | 20Hz – 20kHz |
| Signal-to-Noise Ratio | >75dB |
| Crossover (Front) | High-Pass (Off, 60, 80, 120Hz) |
| Crossover (Rear) | All/High/Low-Pass (60, 80, 120Hz) |
Why Choose the PA1254 over the PA454?
If you are running premium speakers (like the JBL Club or Stadium Marine series) or if you want the option to add a subwoofer later, the PA1254 is the better investment. The extra "headroom" ensures your music stays crystal clear at high volumes, even over the roar of a 300HP outboard engine.
PA1254