JL Audio AP300/4 AP-Series Ultracompact 4-Channel Class D Marine Amplifier 300W

Power the moment with the ultracompact JL Audio AP amplifiers, available in monoblock, 4-channel with and without Bluetooth® technology, as well as 6-channel with staggered power — ideal for use as a full system amplifier. These Class-D amplifiers are IP67-rated (excluding cables) and built with tough cast-alloy, water-resistant construction for long-term durability in challenging installations. The monoblock, 4-channel, and 6-channel models all feature built-in LCD displays for easy manual control.

The AP300/4 outputs clean, efficient power through its 4 channels, utilising JL Audio’s proprietary Class-D and NexD™ high-speed switching technology for low heat and low distortion. For advanced optimisation, pair it with a Fusion® head unit with built-in DSP and use the Fusion Audio smartphone app for selectable profiles. The Easy Tune feature streamlines amplifier setup, ensuring superior sound quality, accurate system protection, and hassle-free integration with your audio system.

Designed for convenience and flexibility, the 4-channel amplifier can accept line-level and speaker-level inputs, offers adjustable input sensitivity, and features onboard LED clipping indicators. With optional Fusion accessories and seamless app-based control, the AP300/4 delivers a powerful, clean, and flexible audio solution for modern car audio enthusiasts. AP300/4 Key Features Power Output: Rugged Class-D amplifiers are available in monoblock (300 W RMS), 4 channel (300 W RMS), 4 channel with Bluetooth® technology (200 W RMS) and a staggered-power 6 channel (600 W RMS) Durability: Amplifiers are ignition protected and IP67-rated (excluding cables) for the toughest environments Streamline Setup: The monoblock (300 W RMS), 4 channel (300 W RMS) and 6 channel (600 W RMS) include a built-in LCD display for manual control as well as the Easy Tune feature, which streamlines amplifier setup to ensure superior sound quality and system protection Included Remote: The 4 channel with Bluetooth technology (200 W RMS) includes an IP67-rated remote and AUX input source selection General Channels: 4 Operating voltage: 9-16 VDC Water and dust rating: IP67 Operating temperature: -20°C to 65°C Product dimensions: 265 x 47 x 125 mm Product Weight: 3 Kg What's in the box?

JL Audio AP300/4 amplifier Four mounting screws Documentation