Pioneer GM-A5204 4-Channel Car Amplifier

SPECIFICATIONS:
• Brand: Pioneer
• Model: GM-A5204
• Type: 4-Channel Car Amplifier
• Power Output:
520W Peak (130W x 4 channels @ 2Ω)
208W RMS (52W x 4 channels @ 4Ω)
• Size/Dimensions:
8.5" x 5.0" x 1.5" (216mm x 127mm x 38mm)
Mounting Depth: 1.5" (38mm)
• 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 AB amplifier technology (85% efficiency)
4-channel design for front/rear speaker separation
Variable high/low-pass crossovers (50Hz–5,000Hz)
Bass boost control (0–12dB)
Thermal/fuse protection (60A fuse included)
Gold-plated terminals (2-gauge power input)
• Additional Details:
Critical Note: "520W" = peak power (RMS = 208W total); never list peak as RMS
Signal-to-noise ratio: 88dB
Total harmonic distortion: <0.1%
1-year manufacturer warranty (valid through 2027)
2026 Compliance: Meets EU ECE R10/2026 safety standards
Wiring Note: Red stripe indicates 4-channel layout (confirmed via terminal configuration)