Features: Rotor Accurately Positions Outdoor Antenna For Best ReceptionVariable Low Pass Filters 40 - 240 Hz (12 Db Per Octave)Variable High Pass Filters 40 - 400 Hz (12 Db Per Octave)Variable Bass Boost 0 - 12 Db At 45 HzLow Level Pass Trough Rca'S (Channel 1 & 2 Only)Product DescriptionJensen is Audiovox's newest line of autosound ...