TOP PRO USB-175 Professional Audio BT Power Amplifier – Compact Wireless Control & Clear Output
The TOP PRO USB-175 is built for users who need clean, reliable sound in a compact footprint. Designed for small venues, portable rigs, and mobile events, it delivers 175W of controlled output, making it ideal for background music, announcements, DJ playback, and general sound reinforcement.
With Bluetooth streaming, USB MP3 playback, and dual-zone control, it provides the flexibility to manage music and announcements across two areas without requiring multiple amplifiers. Its lightweight design makes setup fast and transport easy, making it a dependable choice for daily professional use.
Key Features
- Bluetooth Streaming – Wirelessly play audio from phones, tablets, and Bluetooth-enabled devices.
- USB MP3 Playback – Plug in a flash drive for direct playback with no external player required.
- 175W Power Output – Delivers clear, distortion-free sound for indoor and outdoor setups.
- Dual-Zone Control – Manage two areas independently with zone switches.
- Compact Build – Easy to transport for mobile DJs, small events, or portable sound systems.
- Wide Speaker Compatibility – Supports COM / 4–16Ω / 70V / 100V outputs.
Specifications
- Model: USB-175
- Zones: 2 (Independent zone switches)
- Speaker Output: COM / 4–16Ω / 70V / 100V
- Rated Voltage: AC 220–240V
- Frequency: 50–60Hz
- Weight: 3.0 kg
- Dimensions (L×W×H): 26 × 20 × 6.5 cm
Who This Amplifier Is Perfect For
- Mobile DJs who need fast setup and wireless playback.
- Shops, cafés, and offices want simple music control in two zones.
- Event organisers who require a compact amplifier for portable rigs.
- Public speakers need dependable amplification for announcements.
- Home users are adding amplification to a multi-room audio system.
Frequently Asked Questions
Does the USB-175 support Bluetooth streaming?
Yes. It allows direct wireless playback from smartphones, tablets, and other Bluetooth-enabled devices, making it easy to control your music remotely.
Can I play songs directly from a USB flash drive?
Yes. The built-in USB port enables quick playback of MP3 files, eliminating the need for additional equipment, making it ideal for events or background music setups.
How many zones can this amplifier control?
The unit features dual-zone output, allowing you to activate or deactivate each area independently for flexible sound distribution.
Does it work with both low-impedance and 100V line speakers?
Yes, the output options—4–16Ω, 70V, and 100V—support both traditional speakers and commercial distributed systems.
Is it suitable for outdoor use?
Yes, as long as the amplifier is protected from direct sunlight and rain. Its 175W output provides enough volume for courtyard events, small outdoor gatherings, or mobile DJ setups.
Is the amplifier portable?
Absolutely. At only 3 kg with a compact frame, it is easy to carry and perfect for mobile sound systems.
What happens if the power fluctuates?
The amplifier is designed for stable operation within a 220–240V range, providing reliable performance in venues with a standard AC supply.
Can I connect a microphone directly?
You can connect microphones through an external mixer or preamp, then route the signal into the amplifier for clear speech reinforcement.
