Pioneer GM-A5604 4-Channel Car Amplifier

SPECIFICATIONS:
• Brand: Pioneer
• Model: GM-A5604
• Type: 4-Channel Car Amplifier
• Power Output:
500W Peak (125W x 4 channels @ 2Ω)
200W RMS (50W x 4 channels @ 4Ω)
• Size/Dimensions:
9.8" x 5.1" x 1.8" (250mm x 130mm x 45mm)
Mounting Depth: 1.8" (45mm)
• Compatibility:
4-ohm stable (supports factory or aftermarket speakers)
12V DC automotive systems
RCA/high-level inputs (works with all head units)
• Key Features:
Class D amplifier technology (90% efficiency, minimal heat)
4-channel design for front/rear speaker separation
Variable high/low-pass crossovers (50Hz–5,000Hz)
Bass boost control (0–18dB)
Thermal/fuse protection (60A fuse included)
Gold-plated terminals (2-gauge power input)
• Additional Details:
Critical Note: "500W" = peak power (RMS = 200W total); never list peak as RMS
Signal-to-no: 90dB
Total harmonic distortion: <0.1%
1-year manufacturer warranty (valid through 2027)
2026 Compliance: Meets EU ECE R10/2026 safety standards