Technical Pro EQB7170U Professional Dual 10 Band Equalizer and Pre-Amplifier Rack Mount Equalizer, Black Dual 10 band equalizer with individual LED indicators Inputs: RCA (2 audio sources) - USB and SD Card Inputs with controls - iPod / MP3 input - Outputs: RCA (record, main) Frequency response: 32Hz-16kHz - Removable Rack mount brackets - - Digital display shows track number and elapsed time on USB and SD inputs Equalizations Points: 32Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, 16kHz - Adjustment Range: 12dB Bass booster increases the low frequency levels - Loudness booster increases the low and high frequency levels - USB-8 GB limit, SD-4 GB limit Dual 10 band equalizer with individual LED indicators Inputs: RCA (2 audio sources) - USB and SD Card Inputs with controls - iPod / MP3 input - Outputs: RCA (record, main) Frequency response: 32Hz-16kHz - Removable Rack mount brackets Equalizations Points: 32Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, 16kHz - Adjustment Range: 12dB Loudness booster increases the low and high frequency levels - USB-8 GB limit, SD-4 GB limit Digital display shows track number and elapsed time on USB and SD inputs Bass booster increases the low frequency levels -