The PFA300 is a class-T digital amplifier with up to 90 watts of power. Use it in your car, your boat, your RV, your golf cart or your home — anywhere you need a great amplifier with low distortion and acoustically accurate reproduction of music. Adjust the bass and treble, or bypass the included EQ. Has a 3.5mm stereo input or stereo RCA inputs. 2-8 ohm speaker impedance compatible. Includes a 12V DC adapter.