JBL R4500 4" Marine Digital Media Receiver Subwoofers Its construction includes SMD technology

Its construction includes SMD technology on a 4-layer PCB

The AP 1 tweeter uses a 26 mm diaphragm

This can help reduce short-term voltage sag associated with bass-heavy music and abrupt amplifier load changes

Built-in tweeter protection is included as part of the internal crossover network

and the B-channel bass boost and optional VCR-S2 control can be used where appropriate

JBL R4500 4" Marine Digital Media Receiver Subwoofers Its construction includes SMD technologyThe JBL R4500 is a marine digital media receiver designed to bring radio, wired media, and Bluetooth streaming together at the helm. Its 4 inch color display, rotary controls, and clearly organized source selection help make operation practical in a boat, UTV, or other marine oriented installation. AM, FM, and weather band reception provide listening options when a phone or USB drive is not in use. Built in Bluetooth 5. 0 lets a compatible device