OSD Audio XPA600 600W 70-Volt 2-Channel Commercial Power Amplifier
The OSD Audio XPA600 600W 70-Volt 2-Channel Commercial Power Amplifier is a high-performance 1U rack-mountable Class D distribution amplifier engineered for restaurants, retail stores, corporate conference centers, and multi-room commercial audio systems. Delivering 300 watts RMS per channel (600 watts total power) across switchable 70-Volt and 100-Volt constant-voltage lines, the XPA600 features balanced Euroblock and unbalanced RCA inputs, an unbalanced mono loop line output for daisy-chaining, front-panel LED level and clip metering, bi-directional RS232 serial control, and 12V trigger integration.
If you want to know how a 600W dual-channel 70-Volt commercial amplifier powers multi-zone background music and paging without line loss, how Class D efficiency and active fan cooling protect rack systems during continuous 24/7 commercial duty, or how RS232 and 12V trigger control simplify automated commercial AV integration, the OSD XPA600 delivers the ultimate professional power solution. Commercial sound contractors and business owners choose the XPA600 for its clean high-headroom output, versatile multi-voltage compatibility, and included handheld remote control.
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High-Performance 600W Dual-Channel 70-Volt / 100-Volt Distribution
The OSD Audio XPA600 delivers 600 watts of total continuous commercial audio power across 2 independent channels (300 watts RMS per channel). Designed for distributed background music and voice paging in commercial facilities, restaurants, corporate offices, educational campuses, and retail stores, the XPA600 easily drives dozens of 70V or 100V tapped architectural speakers with low distortion and uniform coverage across expansive listening zones.
High-Efficiency Digital Class D Commercial Topology
Engineered around cutting-edge digital Class D amplifier circuitry, the XPA600 achieves exceptional thermal efficiency with minimal heat dissipation and low energy draw. Its continuous-duty design incorporates quiet internal active fan cooling and automated thermal and short-circuit protection circuits, ensuring stable 24/7 commercial operation in equipment racks without thermal throttling or shutdown risk.
Global Voltage Versatility: 70V / 100V and 115V / 230V Mains
Equipped with a rear-panel mode selector switch, the XPA600 supports both North American 70-Volt and international 100-Volt high-impedance speaker lines. A recessed AC mains voltage switch (115V / 230V) ensures seamless global electrical compatibility, eliminating the need for specialized regional hardware variants when outfitting multinational hospitality or retail chains.
Professional Audio Interfacing & Mono Loop Daisy-Chaining
Features balanced Phoenix-style Euroblock input terminals for interference-free, long-distance signal routing from professional audio processors and mixing boards, alongside standard unbalanced stereo RCA line inputs. An unbalanced RCA mono loop line output allows seamless daisy-chaining to additional power amplifiers without requiring external line splitters or distribution amplifiers.
Automated RS232, 12V Trigger & Wireless IR Remote Integration
Provides comprehensive control automation integration via bi-directional RS232 serial control (with fully documented query and command protocols) and 12-volt trigger input/output ports for synchronized rack system power-up. Includes an outboard IR receiver sensor eye with a 7-foot extension lead, allowing the included handheld IR remote control to operate the amplifier even when locked inside concealed AV equipment racks.
Specifications
| Amplifier Type | 2-Channel Commercial 70-Volt / 100-Volt Power Amplifier |
| Amplifier Class | High-Efficiency Digital Class D |
| Channels | 2 Channels (Independently Controllable) |
| Power Output (RMS) | 300 Watts RMS per Channel (600 Watts Total Output) |
| Speaker Line Voltage | 70-Volt / 100-Volt Selectable via Rear Panel Switch |
| Frequency Response | 20Hz - 22kHz (+0/-2dB) |
| Total Harmonic Distortion (THD) | <1.0% at Rated Output Power |
| Signal-to-Noise Ratio (SNR) | >90dB (A-Weighted) |
| Line Level Input Sensitivity | 510mV |
| Audio Inputs | 1x Balanced Euroblock (Phoenix), 1x Unbalanced Stereo RCA (L/R) |
| Audio Outputs | 1x 4-Pin Euroblock Speaker Output, 1x Unbalanced Mono RCA Loop Output |
| Front Panel Metering | Dual 4-Segment LED Output Level Meters (-30dB, -20dB, -10dB, Clip) & Protection LEDs |
| System Automation Control | Bi-Directional RS232 Serial Port (Queries & Commands), 12V Trigger In / Out (3.5mm) |
| Remote Control | Included Handheld IR Remote with Outboard IR Receiver Eye (7-Foot Cable) |
| Subwoofer Optimization | Channel 1 Variable Low Pass Filter (LPF) for 70V Subwoofers |
| Cooling & Protection | Active Internal Fan Cooling with Thermal Overload and Output Short-Circuit Protection |
| AC Operating Voltage | Switchable AC 115V (60Hz) / AC 230V (50Hz) Multi-Voltage Power Supply |
| Chassis Form Factor | 1U Standard 19-Inch Rack Mount (Rack Ears Included) |
| Unit Dimensions (W x H x D) | 17.0 x 1.7 x 9.4 Inches (432 x 44 x 239 mm) |
| Unit Weight | 9.25 lbs (4.2 kg) |
| Manufacturer Warranty | 2-Year Commercial Warranty |
In The Box Contents
- 1x OSD Audio XPA600 600W 70-Volt 2-Channel Commercial Power Amplifier
- 1x Full-Function Handheld Wireless IR Remote Control
- 1x Outboard IR Receiver Sensor Eye with 7-Foot Connection Cable
- 1x 3M Adhesive Mounting Pad for IR Sensor
- 1x Heavy-Duty 6-Foot IEC 3-Pin Grounded AC Power Cord
- 2x 19-Inch 1U Equipment Rack-Mounting Ears with 8 Screws
- 1x 6-Pin Euroblock Phoenix Input Terminal Connector
- 1x 4-Pin Euroblock Phoenix Speaker Output Terminal Connector
- 1x User Manual and Commercial Installation Guide
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