PA700 Measurement Power Amplifier: Redefine Portable Acoustic Testing
2026-05-18BSWA PA700 Measurement Power Amplifier: 270W RMS, ultra-low distortion ≤0.5%, built-in noise generator, Bluetooth & LoRa remote control. 3.0kg portable design for building acoustics, lab calibration, NVH & on-site acoustic testing.
Overview
The BSWA PA700 professional measurement power amplifier is scenario-oriented tailor-made for acoustic engineering testing, laboratory calibration, building acoustics measurement, and on-site noise control projects. Integrating high-power output, ultra-low distortion, built-in noise signal generation, Bluetooth playback and LoRa remote control, it is lightweight and all-in-one. It perfectly matches standard sound sources, omnidirectional speakers, impedance tubes and acoustic test systems, becoming the dedicated power drive core for professional acoustic measurement across lab, factory and engineering field scenarios.
Key Advantages
All-Scenario Power Performance: 270W RMS / 710W Peak, Adapt to Full Acoustic Testing
PA700 delivers 270W continuous RMS power (4Ω/8Ω) and 710W peak power, with THD+N controlled within ≤0.5%. Its 20Hz–20kHz flat frequency response ensures undistorted signal reproduction, meeting high sound pressure excitation demands in reverberation rooms, sound insulation labs and large-space engineering acoustics.
Scenario-Optimized All-in-One Design: Built-in Noise Source + Wireless Control for On-Site Use
Equipped with built-in white/pink noise generator and adjustable high/low pass filters, it eliminates the need for an external signal source. Supporting Bluetooth audio playback and LoRa long-distance remote control, it is specially optimized for mobile field testing, solving complex wiring and inconvenient operation in engineering scenarios.
Ultra-Portable for Mobile Scenarios: Only 3.0kg, Easy On-Site Deployment
Weighing merely 3.0kg with compact body size, PA700 breaks the heavy weight limitation of traditional professional amplifiers. It is highly suitable for frequent moving, outdoor measurement, on-site acceptance and multi-location inspection scenarios.
Full Protection & Wide Voltage: Stable Operation for Long-Time Engineering Monitoring
With full protection of overload, overcurrent, overheating and high-frequency saturation, plus 100–240V global wide voltage adaptation, it runs stably for a long time in laboratory constant temperature, construction site complex power supply and outdoor variable environment scenarios.
Comparison Table
PA700 vs. Ordinary Professional Amplifier: Feature Comparison
| Scenario & Feature | PA700 Measurement Amplifier | Ordinary Professional Amplifier |
|---|---|---|
| Building Acoustics Test | Built-in noise source, one-click reverberation/sound insulation test | Need external signal generator, complicated wiring |
| Lab Calibration & Sound Source Drive | Low distortion ≤0.5%, match standard acoustic source perfectly | High distortion, not suitable for precision calibration |
| On-Site Mobile Engineering | 3.0kg lightweight + LoRa remote control | Heavy 8–15kg, no remote control |
| Production Line Acoustic Testing | Stable continuous output, full protection | Easy overheating under long-time working |
| Multi-Function Expansion | Bluetooth playback + filter adjustable | Single power output, no extra functions |
Core Application Scenarios
1. Building & Civil Engineering Acoustics Testing
Specially used for reverberation time testing, wall/door/window sound insulation measurement, noise barrier acceptance, and indoor acoustic environment evaluation. Built-in pink/white noise directly meets ISO 140 / ISO 3382 test requirements, no extra signal equipment needed.
2. Laboratory Acoustic Calibration & Research
Drives XCA919 high-frequency standard sound source, omnidirectional sound source and impedance tube system. Ultra-low distortion ensures accurate frequency response and sensitivity calibration of microphones and sound level meters, dedicated for metrology institutes and university acoustic labs.
3. Industrial NVH & Production Line Acoustic Testing
Suitable for automotive NVH testing, home appliance noise detection, speaker and headphone production line acoustic performance inspection. Stable high-power output adapts to long-time batch testing.
4. Outdoor & Mobile On-Site Measurement
Lightweight body + LoRa remote control, perfect for outdoor environmental noise testing, large venue acoustic debugging, and cross-region engineering inspection; easy to carry and fast to set up.
5. Academic & Scientific Research Acoustic Experiment
Provides pure and stable excitation signals for acoustic material research, ultrasonic experiment and environmental acoustic analysis, supporting long-term stable experimental operation.
User Scenario Benefits
- Scenario Dedicated: Tailor-made for acoustic measurement scenarios, one machine covers lab, engineering, production and outdoor use.
- Save Equipment Cost: Built-in noise generator replaces external signal source, reducing system configuration cost.
- Save On-Site Labor: Lightweight + wireless remote, simplify deployment and operation for field projects.
- Precision Matching: Low distortion professional performance, fully compatible with BSWA sound sources and measurement microphones.
- Strong Environmental Adaptation: Wide voltage + full protection, adapt to complex laboratory and engineering site conditions.
FAQ
What main scenario is PA700 suitable for?
Mainly for building sound insulation/reverberation testing, laboratory acoustic calibration, industrial NVH production testing, outdoor mobile engineering measurement and academic acoustic research.
Does PA700 need an external noise signal source for acoustic testing?
No. It has built-in white noise and pink noise generator, directly meeting conventional acoustic test scenario requirements.
Why is PA700 more suitable for on-site engineering than traditional amplifiers?
Only 3.0kg ultra-light design, support LoRa remote control and Bluetooth playback, easy to carry and operate on site.
Can PA700 drive standard high-frequency sound sources and impedance tubes?
Yes. Ultra-low distortion and professional linear output perfectly match BSWA standard sound sources and impedance tube test systems.
Is PA700 suitable for long-time continuous working in production lines?
Yes. With overheating and overload protection plus high-efficiency heat dissipation, it supports long-term stable operation for batch production testing.
Does PA700 need an external noise signal source for acoustic testing?
No. It has built-in white noise and pink noise generator, directly meeting conventional acoustic test scenario requirements.
Why is PA700 more suitable for on-site engineering than traditional amplifiers?
Only 3.0kg ultra-light design, support LoRa remote control and Bluetooth playback, easy to carry and operate on site.
Can PA700 drive standard high-frequency sound sources and impedance tubes?
Yes. Ultra-low distortion and professional linear output perfectly match BSWA standard sound sources and impedance tube test systems.
Is PA700 suitable for long-time continuous working in production lines?
Yes. With overheating and overload protection plus high-efficiency heat dissipation, it supports long-term stable operation for batch production testing.
