The Adastra 480W Slave Amplifier is a high-performance Class-D 100V line amplifier designed for demanding commercial and industrial audio systems. Compact and efficient, it is ideal for expanding existing installations or powering large-scale distributed sound systems. With flexible input and output configurations, this amplifier integrates seamlessly with Adastra's RM series mixer amplifiers or other compatible systems.
Built into a durable 2U 19-inch rack-mountable chassis, the Adastra 480W Slave Amplifier combines robust metal construction with lightweight Class-D efficiency. Its well-ventilated design ensures cool, reliable operation even under continuous load. The front panel offers intuitive master volume control, while all connections are conveniently located on the rear panel for easy system integration.
| Specification | Details |
|---|---|
| Output Power (RMS) | 480 W |
| Amplifier Type | Class-D |
| Rack Size | 19" rack-mountable, 2U height |
| Inputs | Line in (RCA / screw terminal), 100V in (screw terminal) |
| Outputs | Line out (RCA / screw terminal), Speaker out (100V or 2 Ω min.) |
| Controls | Master volume |
| Alarm Mute | 24V contact (screw terminal) |
| THD | <1.0% |
| Frequency Response | 90 Hz - 20 kHz (100V), 17 Hz - 90 kHz (2 Ω) |
| Fuse Rating | T6.3A |
| Power Supply | 175-264V AC, 50 Hz (IEC input) |
| Dimensions (W × D × H) | 433 × 355 × 89 mm |
| Weight | 10.4 kg |
Delivering 480 W RMS of clean, consistent audio power, the Adastra 480W Slave Amplifier offers exceptional reliability and clarity in 100V line or low-impedance systems. Its efficient Class-D design reduces heat and energy consumption while maintaining precise control across the full frequency range. Ideal for extending public address, background music, and paging systems, it performs flawlessly in commercial, educational, and hospitality environments.
Q: Can this amplifier be used to extend an existing 100V line system?
A: Yes. It includes a dedicated 100V input for connecting directly to an existing 100V speaker feed.
Q: Does it support cascading multiple amplifiers?
A: Absolutely. Slave outputs allow you to chain multiple Adastra RS series amplifiers to expand your system's capacity.
Q: What type of speakers can be connected?
A: The amplifier supports both 100V line speakers and low-impedance speakers down to 2 Ohms.
Q: Is it compatible with alarm or fire systems?
A: Yes. The 24V mute input allows automatic muting during alarm conditions, making it suitable for safety-integrated systems.
Q: What kind of applications is this amplifier designed for?
A: It is ideal for medium to large installations such as schools, retail spaces, factories, hotels, and public buildings requiring distributed sound coverage.
