Product Description
The Bosch PLE-1P120-IN is a 120 W Class-D professional power amplifier designed for public address (PA), background music, and commercial sound reinforcement applications. It delivers reliable, high-quality audio performance with support for 70 V, 100 V, and 4 Ω loudspeaker systems, making it ideal for expanding or powering distributed audio installations.
The amplifier features a balanced line input, a 100 V slave input for easy integration with existing 100 V speaker lines, and high-efficiency Class-D amplification for reduced power consumption and heat generation. Built-in short-circuit, overload, and thermal protection, along with a temperature-controlled cooling system, ensure dependable long-term operation. The unit also includes 24 V DC backup power support for uninterrupted performance during mains power failures.
Housed in a 19-inch, 2U rack-mount chassis, the PLE-1P120-IN is ideal for schools, offices, hotels, retail stores, factories, warehouses, places of worship, and other commercial PA systems that require reliable power amplification for paging and background music.
Specification
| Details | |
|---|---|
| Model | Bosch PLE-1P120-IN |
| Product Type | Class-D Power Amplifier |
| Rated Output Power | 120 W |
| Amplifier Type | Class-D |
| Line Input | 1 × Balanced XLR (1 V) |
| 100 V Line Input | Yes (Slave Input) |
| Loop-Through Output | XLR Balanced |
| Speaker Outputs | 100 V, 70 V & 4 Ω |
| Frequency Response | 50 Hz – 20 kHz (+1/-3 dB) |
| Total Harmonic Distortion (THD) | <1% @ Rated Output, 1 kHz |
| Signal-to-Noise Ratio | >70 dB |
| Dynamic Range | >100 dB |
| Cooling | Temperature-Controlled Forced-Air Cooling |
| Protection | Short-Circuit, Overload & Thermal Protection |
| Power Supply | 220–240 V AC, 50/60 Hz |
| Backup Power | 24 V DC |
| Power Consumption | 380 VA (Max.) |
| Speaker Output Connector | Euro-Style Pluggable Screw Terminal |
| Dimensions (H × W × D) | 44 × 430 × 334 mm (19-inch, 1U Rack Mount) |
| Weight | Approx. 5.9 kg |
| Mounting | Desktop or 19-inch Rack Mount |
| Color | Black |
| Operating Temperature | -10°C to +45°C |
| Storage Temperature | -40°C to +70°C |
| Relative Humidity | <95% |
| Included Accessories | Power Cord, Rack Mount Brackets, 100 V Slave Input Connector, Speaker Output Connector, User Manual |