PowerPro PPA458 280W 70-Volt 5-Zone Commercial Mixer Amplifier
The PowerPro PPA458 280W 70-Volt 5-Zone Commercial Mixer Amplifier is a high-performance, rack-mountable 1.5U public address amplifier engineered for multi-room commercial audio distribution across retail stores, restaurants, offices, schools, and medical facilities. Delivering 80 watts RMS (280 watts peak power) with multi-tap outputs supporting 70-Volt, 100-Volt, and 4-16 Ohm speaker loads, the PPA458 features 5 independently switchable speaker zones, built-in Bluetooth audio streaming, an FM radio tuner, USB flash drive and SD card playback, dual microphone inputs with front-panel priority, and master bass and treble equalization.
If you want to know what commercial 70-Volt mixer amplifier lets you route background music and voice paging to 5 independent zones without buying expensive matrix switchers, how built-in Bluetooth and USB media playback simplify streaming audio for retail storefronts, or how 70V and 100V high-impedance speaker runs eliminate line loss over long commercial wiring runs, the PowerPro PPA458 provides the ultimate all-in-one commercial audio solution. Business owners and sound contractors choose the PPA458 for its versatile source integration, reliable continuous-duty protection, and included wireless remote control.
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5-Zone Commercial Public Address Distribution
Engineered for multi-room commercial applications, the PowerPro PPA458 features 5 independent speaker zone outputs (SP1 through SP5), allowing business owners, school administrators, and facility managers to activate or mute audio in specific zones directly from front-panel push buttons.
High-Performance 280W 70-Volt / 100-Volt & 8-Ohm Output
Delivers 80W RMS of continuous clean power (280W max peak power) capable of driving multi-speaker 70-Volt and 100-Volt distributed constant-voltage lines or standard 4-16 ohm (8-ohm) low-impedance background sound systems with low distortion.
Integrated Digital Media Hub: Bluetooth, USB, SD & FM Radio
Equipped with a built-in digital media player featuring wireless Bluetooth audio streaming, an illuminated LCD display, front-panel USB flash drive port, SD card slot, and a digital FM radio tuner with automatic channel search, eliminating the need for external media players.
Comprehensive Input Mixing & Paging Controls
Provides dual microphone inputs (Mic 1 front-panel 1/4-inch jack with priority paging override; Mic 2 rear input), two auxiliary RCA line inputs (Aux 1, Aux 2), dedicated RCA line output for recording or system daisy-chaining, individual channel volume knobs, and master bass and treble tone shaping.
Rack-Mountable 1.5U Steel Chassis with Dual Power Modes
Built into a rugged steel chassis designed for standard 19-inch equipment racks (1.5U height with integrated rack ears), featuring thermal overload, short-circuit, and power surge protection, with support for both AC 110V 60Hz and DC 12V 4A emergency battery backup operation.
Specifications
| Amplifier Type | 5-Zone Commercial 70-Volt Mixer Power Amplifier |
| Output Power (RMS) | 80 Watts RMS Continuous |
| Output Power (Peak) | 280 Watts Max Peak Power |
| Speaker Outputs | 70-Volt, 100-Volt, and 4-16 Ohm (8-Ohm) Low-Impedance Terminals |
| Multi-Zone Switching | 5 Independently Switchable Speaker Zones (Zone 1 - Zone 5) |
| Frequency Response | 40Hz - 18kHz (+/- 0.5dB) / Line: 100Hz - 20kHz |
| Total Harmonic Distortion (THD) | <0.2% RMS at Rated Power |
| Signal-to-Noise Ratio (S/N) | Mic: >70dB, Line/Aux: >80dB |
| Inputs | 2x Microphone (1/4-Inch), 2x Stereo RCA Aux Inputs, 1x USB Port, 1x SD Card Slot |
| Outputs | 1x Stereo RCA Aux Output, 5-Zone 70V/100V/8-Ohm Screw Terminal Barrier Strip |
| Wireless & Media Playback | Bluetooth Wireless Audio, Digital FM Radio Tuner, USB/SD MP3 Player |
| Tone Controls | Bass (+/- 10dB at 100Hz), Treble (+/- 10dB at 10kHz) |
| Remote Control | Included Wireless Infrared (IR) Handheld Remote Control |
| Protection Circuitry | Output Short-Circuit, Thermal Overload, AC110V and DC12V Dual Fuse Protection |
| Power Supply | AC 110V 60Hz or DC 12V 4A Battery Backup |
| Chassis Dimensions (W x D x H) | 19.0 x 11.6 x 2.6 Inches (484 x 295 x 66 mm) - Standard 1.5U Rack Width |
| Unit Weight | 14.5 lbs (6.6 kg) |
In The Box Contents
- 1x PowerPro PPA458 280W 70-Volt 5-Zone Commercial Mixer Amplifier
- 1x Full-Function Handheld Wireless IR Remote Control
- 1x Detachable FM Radio Wire Antenna
- 1x Heavy-Duty AC Power Cable
- 1x User Manual and Commercial 70V Wiring Guide
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