Soundstream Mexico Special Edition Digital Bass Reconstruction Processor w/ Dash Mount Remote Gain Control Max Bass Control PWM High Head Room Power Supply Frequency Response: 10hz 100khz Dash Mount Remote Control Bass Restoration Lighted Display Parametric Bass Control PFM Subsonic Filter Balanced Inputs Bass Output Control Output Level: 13.5 Volt THD: 0.003% S/N Ratio: 130 dB Balanced Input Noise Rejection: 60 dB