Engineered for the Ultimate Sound Experience.
Features:Tuner - Understanding the need to listen to the ballgame, talk radio, or your favorite radio pop station, this source unit was thoughtfully engineered to master AM, FM and WB2 Ohm Stability - If you’re looking to add additional speakers, such as 4 hardtop speakers to your existing 4 interior speakers, the R3000's 2 ohm stability will allow you to do just that. And no need to purchase an additional amplifier to do soRear amplifier plugBT5.