FEATURES Hi-Res Audio Certified (Up to 45kHz) 4-Channel Amplifier Alpine’s Class D Amplifier Circuit Reduced Footprint (15% smaller compared to the previous R-A60F model) One-Sided Terminal Layout Top Panel Sound Controls Integrated Mounting Feet for Simple Installation Optional Remote Bass Knob Compatible (required RUX-KNOB.2 or RUX-H01, sold separately) TECH SPECS Dimensions: 28.2cm W x 5.6cm H x 16.6cm D Power Rating: 14.4V, ≤ 1% THD +N Power Output: 100W x 4 @ 4Ω, 150W x 4 @ 2Ω Bridged Power: 300W x 2 @ 4Ω S/N Ratio: >80dB Frequency Response: 10Hz – 45kHz Damping Factor: >100 CTA-2006-D Certification