This Heavy Duty External Speaker 20 Watt is loud, really loud. It is a great external speaker option for hearing CB transmissions in loud truck cabs.  It attaches to any CB radio devices by a 3.5mm plug, coming with 6ft cords and swivel mounting bracket for installation. SP716 is compatible with CB radios, scanners, and radio equipment with a 3.5 mm jack for connecting external speakers.

Perfect For

- Industrial equipment, buses, or any other vehicle with a loud cab
- External Speaker for GPS navigation system

- Extension CB Speaker for two way radio & audio amplify
- External Speaker for Walkie Talkie
- Extension Speaker for vehicle & truck,hand-free mobile communication
- CB Speaker in Dispatch Communication for taxi,bus,fleet management

Specification

Model: SP716
Impedance : 8 ohm / 4ohm
Output Rating power: 20Watts Max
Speaker: 4’’
Cord length: 6ft with 3.5mm Mono plug
Size: 155*135*90 mm