Alpine KTP-445U - user opinions

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Summary: Number of Channels: 4; Frequency Response: 15-45000 Hz; Built In Crossovers: Yes; RMS Power Output: 45x4 Watts; RMS Power Range: 4x45 Watts; Amplifier Class: D; Fuse Rating: 15x1 A; XP750-SE OFFER: Yes; Fuse: 15A; Power Output Per Channel, Ref: 14.4V, 4ohms, @ < 1% THD N: 45W RMS x 4; Per Channel, Ref: 14.4V, 2ohms, @ < 1% THD N: 45W RMS x 4; S/N Ratio IHF A-wtd AES-17, Ref: 1 W into 4 ohms: 82dB; IHF A-wtd AES-17, Ref: Rated Power into 4 ohms: 98dB; Frequency Response 0 / -3 dB, Ref: 1 W into 4 ohms 15Hz ?�?�?�??�?�?�???�?�?�?�?�??????� 45kHz; Input Sensitivity Ref: Rated Power into 4 ohms, RCA Inputs: 0, 2 ?�?�?�??�?�?�???�?�?�?�?�??????� 4, 0 V; Ref: Rated Power into 4 ohms, Speaker Level Inputs: 0, 5 ?�?�?�??�?�?�???�?�?�?�?�??????� 10, 0 V; Crossover Ch 1 / 2: Sele ...

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