Digital Bass Restoration Processor (Black)Model: THE EPICENTERFrequency response: 10 Hz – 100000 HzTotal Harmonic Distortions: 0.005%Signal-to-Noise ratio: >120 dBRMS Output: 9.5 VoltsDimensions: 8″ x 5.5″ x 1.25″Waterproof Portable Wireless Bluetooth SpeakerSingle speaker with stylish appearanceBluetooth audio streamingEasily take calls using the speakerphone functionalityConvenient speaker charging via micro USB inputProduct dimensions: 87 (W) x 45 (D) x 95 (H) mm