The measurement of the item from side to side.

Width

The measurement of the item from the very front to the very back.

Depth

The overall measurement of the item from the floor to its highest point (how tall the item is).

JL Audio® Wireless High-Fidelity Audio Transmitter & Receiver Kit with ultra-high frequency of 2.4 GHz and 100 feet broadcast distance

JL Audio® RX Wireless High-Fidelity Audio Add-On Receiver with ultra-high frequency of 2.4 GHz and compact design