FeaturesSingle channel bass only car audio amplfier with bass boost stable to two ohms 1200 watts rmsSpecificationsLine: BassOperation Class: Classe DInput Sensitivity: 320mV - LEVEL 100%Signal Noise/Ratio: >90dBFrequency Response: 8Hz a 250Hz (-3dB)Number of Channels: 2Weight: 10 lbs- SKU: TNSR3298.