AtlasIED HPA2604 4-Channel x 650W Commercial Multi-Impedance Power Amplifier

Designed for heavy-duty commercial and professional applications, the AtlasIED HPA2604 delivers four independent 650 W channels in a compact 2 RU chassis. Its Gen II Class I output topology combines the efficiency of Class D with the sonic warmth of Class AB, and the universal auto-sensing power supply ensures consistent stability across voltage fluctuations.

Each channel supports 4 Ω, 8 Ω, 70 V, and 100 V speaker configurations, with front-panel stepped level controls (security covered), remote turn-on, balanced Euro-block inputs, fault reporting, and an accessory slot for optional Dante networking—perfect for houses of worship, entertainment venues, corporate systems, and more.

Key Features

• Four 650 W channels: 4 × 650 W @ 4 Ω/8 Ω/70.7 V/100 V
• Efficient & quiet: Gen II Class D with 1 W Energy Star standby mode and variable-speed fan cooling
• Flexible control & I/O: Detented level controls with cover, remote turn-on, fault LED, balanced inputs, Euro-block outputs, Dante accessory slot

Technical Specifications

• Model: HPA2604
• Dimensions: 19.0 × 3.5 × 15.0 in (483 × 89 × 381 mm)
• Weight: 22 lbs (10 kg)
• Channels: 4 × 650 W @ 4 Ω/8 Ω/70.7 V/100 V
• THD: <0.15 %
• Frequency Response: 20 Hz–20 kHz
• Connectivity: Balanced Euro‑block inputs, terminal-block speaker outputs, remote/fault GPIO, accessory slot