Alpine R2-A60F 4-Channel Class D Hi-Res Car Amplifier The Alpine R2-A60F is a high-performance 4-channel Class D amplifier designed to deliver exceptional sound quality and power in a compact form. Part of Alpine’s next-generation R-Series, it offers Hi-Res Audio certification, supporting frequencies up to 45kHz for crystal-clear audio reproduction. With flexible configuration options, including 4-, 3-, or 2-channel modes, and advanced crossover controls, the R2-A60F is ideal for audiophiles seeking a versatile and powerful amplifier for their car audio system. Key Features Power Output 100W RMS x 4 @ 4Ω; 150W RMS x 4 @ 2Ω; 300W RMS x 2 bridged @ 4Ω Amplifier Class Class D Hi-Res Audio Certified Yes, up to 45kHz frequency response Frequency Response 10Hz – 45kHz Signal-to-Noise Ratio >80dB THD+N ≤1% at rated power Crossover Controls Variable high-pass, low-pass, and bandpass filters (50Hz – 6kHz) Input Sensitivity Low level: 0.2 – 4V; High level: 0.5 – 10V Dimensions (W x H x D) 11.1" x 2.17" x 6.5" Weight 7 lbs, 3 oz Optional Remote Compatible with Alpine RUX-KNOB.2 (sold separately) What’s in the Box 1 × Alpine R2-A60F 4-Channel Amplifier (with two installed 30A ATO fuses) 4 × Mounting Screws 3 × Allen Wrenches (2mm, 2.5mm, 3mm) 1 × Owner’s Manual 1 × Alpine Verification Certificate (“Birth Sheet”) 1 × Warranty Information Sheet 1 × Installation Guide 1 × Alpine Registration Card Technical Specifications Model Number R2-A60F Channels 4 Power Output @ 4Ω 100W RMS x 4 Power Output @ 2Ω 150W RMS x 4 Bridged Power Output @ 4Ω 300W RMS x 2 Frequency Response 10Hz – 45kHz Signal-to-Noise Ratio >80dB THD+N ≤1% at rated power Input Sensitivity Low level: 0.2 – 4V; High level: 0.5 – 10V Crossover Controls Variable HPF, LPF, BPF (50Hz – 6kHz) Dimensions (W x H x D) 11.1" x 2.17" x 6.5" Weight 7 lbs, 3 oz Fuse Rating 30A x 2 Recommended Wiring 4 AWG power and ground leads Optional Remote Alpine RUX-KNOB.2 (sold separately)