Seven Equalization Bands Tone Adjustable From -12DB To +12DB Low Pass Filter With Selectable Frequency Control Built-in Bluetooth for Wireless Music Streaming Blue LED Indicator for Bluetooth Two Stereo RCA Output Auxiliary Stereo RCA Inputs Input Selector Master System Volume Fader Function for Front & Rear Channel SUB Volume Adjustable for Subwoofer Channel Mounting Hardware Included RCA Auxiliary Input (Rear) inputs for MP3, DVD, or Phone. 7 Bands Graphic Equalizer with SUB Volume Adjustable for Subwoofer Channel, Built in Bluetooth for Wireless Music Streaming, Stereo RCA Output, Aux RCA Input, Mounting Hardware Included 7 BANDS GRAPHIC EQUALIZER: The 7 Bands Graphic Equalizer comes with a Sub Volume Adjustable for Subwoofer Channel. The equalizer has low, mid, midd-bass, mid equalizer and high equalizer. Each is tone adjustable from -12dB to +12dB WIRELESS MUSIC STREAMING ABILITY: Equipped with built-in bluetooth for music streaming ability, connecting/pairing with today’s latest devices are made simple and hassle free. The equalizer also has a blue LED indicator for bluetooth LOW BASS FILTER: Equipped with low bass filter with selectable control, the 7 bands graphic equalizer has a fader function for front and rear channel, subwoofer volume control, RCA output and Auxiliary Input (Rear) inputs for MP3, DVD, or Phone POWERFULLY IMMERSIVE AUDIO: Take music streaming to the next level with the powerful 7 bands graphic equalizer creating an audio experience with master system volume that lets you listen to your compatible with beats while filling the room/car with blue light GRAPHIC EQUALIZER DIMENSIONS AND VOLTAGE: The 7 bands graphic equalizer has a dimension of 7'' x 4.72''x 1.18'' -inches with an approximate weight of 1.62 lbs. It has a voltage of 11V-14.5V and output voltage of 5V RMS @ 0.05% THD