Public address systems are transforming towards digitalization, networking, and domestic production. Traditional analog power amplifiers suffer from high cabling costs, rapid signal attenuation, and insufficient compatibility, making them unsuitable for 24/7 industrial-grade and large-scale cross-network deployments. Becke Telecom has launched the PA-BGS-240W SIP Network single-channel on-demand integrated broadcast power amplifier, redefining industry standards with its domestically produced core hardware, CLASS-D high-fidelity audio, and offline backup capabilities. It provides a highly scalable and secure integrated solution for scenarios such as transportation hubs, industrial parks, and campus complexes.
At the heart of the PA-BGS-240W lies a highly efficient dual-core ARM Cortex-A7 architecture processor, clocking in at an impressive 1.2GHz. This robust core hardware is meticulously designed utilizing fully localized components, guaranteeing independent controllability and long-term systemic stability. By maintaining complete control over the hardware architecture, Becke Telcom ensures that the amplifier remains impervious to external supply chain disruptions, providing a truly reliable backbone for any critical public address infrastructure.
Driving this powerful hardware is a deeply customized Linux operating system tailored specifically for uninterrupted broadcast environments. The system boasts an exceptional mean time between failures (MTBF) exceeding 10,000 hours, making it incredibly dependable for round-the-clock operations. This operating system is intentionally streamlined to prioritize audio routing, scheduling, and device management without the overhead of unnecessary background processes, resulting in a highly responsive user experience.
Furthermore, the inclusion of a built-in hardware watchdog monitoring mechanism acts as a fail-safe against unexpected anomalies. This sophisticated feature constantly evaluates system health, automatically initiating recovery protocols if a stall is detected. Combined with its superior system robustness, advanced security protocols, and excellent cross-platform portability, the PA-BGS-240W stands out as a highly resilient solution engineered to withstand the rigors of modern commercial environments.

Audio excellence is achieved through the integration of state-of-the-art CLASS-D power amplification circuitry. This design utilizes a comprehensive full-loop feedback network that significantly minimizes amplifier distortion, even under heavy loads. The result is an amplifier that provides smooth, flexible handling during high-power output phases while preserving the utmost integrity of the original audio signal. Users can expect crystal-clear voice reproduction and rich background music without the harsh clipping often associated with traditional amplifiers.
Powering this pristine audio delivery is our dual Power Factor Correction (PFC) switch-mode power supply technology. This advanced power delivery system dramatically enhances the overall performance of the amplifier while simultaneously reducing power supply current consumption. It effortlessly supports a wide operating voltage range from AC90V to AC265V, ensuring stable operation across diverse global power grids and mitigating the risks associated with voltage fluctuations.
The internal digital architecture is fully equipped to decode network audio streams with remarkable precision. It natively supports the transmission of 16-bit stereo CD-level audio quality, seamlessly handling popular formats like MP3 and WAV. Whether streaming standard announcements or high-fidelity background music, the PA-BGS-240W guarantees an auditory experience that meets the highest commercial standards.
"Reliability and pristine audio quality are not just optional features; they are the fundamental pillars of modern public address systems. The PA-BGS-240W redefines these standards."
Safety and longevity are paramount in the design of the PA-BGS-240W. It features a comprehensive suite of intelligent detection and protection systems, including safeguards against direct current (DC) faults, short circuits, overheating, and sudden overloads. A built-in soft-start function carefully manages the initial power draw when the device is turned on, preventing massive current surges from impacting the local electrical grid and significantly reducing interference with other sensitive electronic equipment nearby.
Environmental adaptability is further enhanced by robust external defense mechanisms. The amplifier is engineered with integrated lightning protection capable of withstanding severe 4KV lightning strikes and power surges. Internally, a smart temperature control system dynamically adjusts cooling fan speeds based on real-time thermal readings. This ensures that the fan operates quietly during standard loads and maximizes heat dissipation efficiency only when absolutely necessary.
In alignment with modern green energy standards, the PA-BGS-240W features an intelligent energy-saving mode. When no audio signal is detected over the network or local inputs, the unit automatically transitions into a low-power standby state, consuming less than 10W of power. Intuitive status LEDs clearly indicate the current operational state, including level indicators, protection alerts, and standby status, allowing facility managers to assess the device's condition at a glance.
The PA-BGS-240W excels in its ability to handle diverse, converged scheduling requirements. Through its integration with network broadcast servers, dedicated dispatch consoles, intercoms, and even mobile applications, operators have ultimate flexibility. The system effortlessly manages routine background music, complex timed broadcasts, Text-to-Speech (TTS) voice synthesis for automated announcements, emergency paging overrides, live radio streams, and critical alarm broadcasting—all from a centralized control point.
Beyond its network capabilities, the amplifier is heavily equipped for localized control. It features two auxiliary (AUX) line inputs and three dedicated microphone (MIC) inputs, each managed by independent volume and high/low-tone adjustment potentiometers. Crucially, the device supports an offline local paging function; even in the event of a total network failure, local operators can still make vital announcements using direct microphone inputs, ensuring safety and communication are never compromised.
For extensive deployments requiring massive audio output, the PA-BGS-240W serves as a highly scalable node. It provides two auxiliary audio signal output interfaces utilizing standard RCA lotus connectors. This allows technicians to easily cascade the audio signal to external power amplifiers, simplifying cable routing and expanding the total acoustic footprint of the system with minimal configuration effort.

Deployment and continuous management are radically simplified through a comprehensive Web-based remote management interface. Network administrators can simply access the device's IP address via any standard web browser to configure critical system parameters. This interface grants full control over network settings, SIP account registration, master volume limits, and even online packet capture for advanced troubleshooting. Firmware upgrades can also be executed completely over-the-air, dramatically improving long-term operational efficiency.
Recognizing the diversity of IT environments, Becke Telcom has provided dual configuration pathways: the intuitive Web backend and a specialized client application. The amplifier natively supports both DHCP for automated IP assignment and static IP modes for rigid network topologies. It also features robust cross-network segment search capabilities, allowing IT staff to locate and configure devices distributed across complex, multi-VLAN enterprise networks without extensive manual routing.
The fully digital architecture of the PA-BGS-240W shatters traditional geographical constraints. It is fully compatible with an expansive array of network structures, including LAN routers, switches, bridge gateways, Modems, and Internet connections spanning 2G, 3G, 4G, and 5G cellular networks. By leveraging standard TCP/IP, UDP, SIP, and HTTP protocols, it seamlessly integrates into existing infrastructure utilizing both multicast and unicast methodologies.
"By utilizing existing SIP Networks, the PA-BGS-240W eliminates geographical boundaries, drastically reducing the time, labor, and cabling costs associated with traditional deployments."
In educational environments, clear and reliable communication is essential for both daily operations and student safety. The PA-BGS-240W is the perfect backbone for school bell systems, automated class change announcements via TTS, and campus-wide emergency paging. Its ability to handle multi-zone scheduling ensures that different buildings or grade levels can receive tailored audio content simultaneously, all managed effortlessly from the main administrative office.
For corporate headquarters and sprawling business parks, the amplifier provides an elegant solution for unified communication. Whether broadcasting ambient background music in lobbies to enhance visitor experience or paging specific employees across different floors, the device integrates cleanly into the corporate IT network. From sleek office towers in Singapore to sprawling industrial complexes globally, the robust performance guarantees uninterrupted service.
The offline paging capability is particularly valuable in these settings. If a sudden localized network switch failure occurs during a critical event, security personnel or administrators can instantly utilize the direct microphone inputs to maintain order and direct personnel, proving the PA-BGS-240W's worth as a fail-safe life safety tool.

High-traffic environments such as international airports, railway stations, and subway terminals demand audio systems that offer zero downtime and immense scalability. The PA-BGS-240W's 10,000-hour MTBF and hardware watchdog make it uniquely suited for these demanding, 24/7 continuous operation scenarios. It flawlessly handles automated boarding calls, security announcements, and emergency evacuation instructions.
The vast physical distances inherent in transportation hubs make traditional analog wiring prohibitively expensive and prone to signal degradation. Because the PA-BGS-240W relies on standard SIP Networks and fiber optic backbones, audio signals can be transmitted flawlessly over kilometers without a drop in the 16-bit CD-level quality. Administrators can easily group disparate zones—like concourses, platforms, and ticketing areas—into cohesive broadcast groups.
Furthermore, the 4KV lightning surge protection ensures that units installed in semi-outdoor environments, such as train platforms or stadium concourses, remain safe during severe weather events. The combination of its rugged environmental protections, massive network compatibility, and high-fidelity output cements its status as the premier choice for large-scale public address deployments.
What happens if the main SIP Network goes down during an emergency?
The PA-BGS-240W is engineered with mission-critical reliability in mind. It supports an offline local paging function. Through its multiple physical microphone (MIC) and auxiliary (AUX) inputs, localized broadcasting remains fully operational even if the main TCP/IP connection drops, ensuring safety announcements can always be made.
Is the amplifier suitable for environments with unstable power or frequent storms?
Absolutely. The device features dual PFC switch-mode power supply technology that operates smoothly across a wide voltage range (AC90V-AC265V). Additionally, it is equipped with integrated 4KV lightning surge protection and multiple intelligent detection systems (overload, short circuit, overheat), making it highly resilient in volatile electrical environments.
How much power does the unit consume when not actively broadcasting?
Aligning with green environmental standards, the PA-BGS-240W incorporates a smart energy-saving feature. When there is no active audio signal routing through the device, it automatically enters a deep standby mode where power consumption drops to less than 10W, drastically reducing long-term operational costs for large deployments.
Can I manage the amplifier if it is located on a different network segment than my PC?
Yes. The amplifier provides a comprehensive Web-based remote management interface and supports cross-network segment search configuration. Whether you are using DHCP or static IP modes, administrators can securely access, configure, and update the firmware of the device across complex enterprise routing structures directly from their browser.
| Item | Specification |
|---|---|
| Model | PA-BGS-240W |
| Network Interface | Standard RJ45 Input |
| Transmission Rate | 10/100 Mbps |
| Supported Protocols | TCP/IP, UDP, SIP, HTTP |
| Audio Formats | MP3, WAV |
| Audio Mode | 16-bit Stereo, CD-quality sound |
| Sampling Rate | 8 kHz ~ 16 kHz |
| Tone Control | Bass: ±10 dB @ 100 Hz; Treble: ±10 dB @ 10 kHz |
| Input Sensitivity & Input Impedance |
MIC1/2/3: 5 mV / 600 Ω, unbalanced TRS input AUX1/2: 350 mV / 10 kΩ, unbalanced RCA input |
| Output Sensitivity & Output Impedance | MIX OUT: 1000 mV / 470 Ω, unbalanced RCA output |
| Overload Source EMF |
MIC1/2/3: > 12 dB, unbalanced TRS input AUX1/2: > 20 dB, unbalanced RCA input |
| Input Channels | 2 x AUX (line) inputs + 3 x MIC (microphone) inputs |
| Rated Power | 240 W |
| Standby Power Consumption | < 10 W |
| Frequency Response | 80 Hz ~ 16 kHz (±1/-3 dB) |
| Signal-to-Noise Ratio | MIC1/2/3: 66 dB; AUX1/2: 80 dB |
| Total Harmonic Distortion (THD) | 0.5% at 1 kHz, 1/3 rated output power |
| Channel Crosstalk Attenuation | ≤ 50 dB |
| Output Mode | 100 V constant-voltage output (limiting: 135 V) |
| Cooling | Front-to-rear forced air cooling; built-in fan starts at heatsink temperature 55 °C |
| Protection Circuits | Soft start, DC, short circuit, overheat, overload, amplitude limit intelligent protection system |
| Lightning Protection | 4 kV lightning surge protection |
| Power Supply | AC 90–265 V / 50 Hz |
| Material | Black aluminum panel, SPCC cold-rolled steel chassis |
| Dimensions | 484 × 210 × 45 mm |
| Weight | 2.90 kg |
| Operating Temperature | 5 °C ~ 40 °C |
| Operating Humidity | 20% ~ 80% relative humidity, non-condensing |