Ahuja DPA-370 30W PA Mixer Amplifier in Bangladesh

The Ahuja DPA-370 30W PA Mixer Amplifier is a compact and versatile public address amplifier designed for commercial, institutional, educational, religious, and general announcement applications. Combining a 30W RMS amplifier with a built-in MP3 player, USB playback, Bluetooth connectivity, microphone inputs, an auxiliary input, multiple speaker-output options, and AC/DC power operation, the DPA-370 provides a practical all-in-one solution for small and medium distributed PA systems.

Rather than requiring a separate amplifier, media player, and several additional components, the Ahuja DPA-370 brings several essential functions together in one compact unit. Ahuja officially classifies it as a 30-watt medium-wattage PA mixer amplifier with built-in digital player. Its rated output is 30W RMS at 10% THD and 27W RMS at 5% THD, while the maximum output is specified at 37W.

This makes the DPA-370 particularly useful for installations where voice announcements, background music, and basic audio playback need to be managed from one central amplifier. It can be used with compatible 4Ω, 8Ω, 16Ω, or 100V speaker configurations, giving installers flexibility when designing different types of PA systems.

Compact PA Amplifier for Everyday Audio

A public address system needs to do more than simply produce sound. It should provide sufficient amplification, accept the required audio sources, and offer practical connectivity for the speakers being installed.

The Ahuja DPA-370 is designed around exactly this type of application. Its 30W RMS output makes it suitable for relatively compact PA installations, while its multiple speaker-output options allow it to work with different compatible speaker configurations.

For a small office, shop, school, mosque, reception area, clinic, restaurant, or other commercial space, a 30W PA mixer amplifier can provide a centralized point for connecting microphones and program sources to the installed speaker system.

30W RMS Power Output

The DPA-370 provides 30W RMS output at 10% THD and 27W RMS at 5% THD, with a specified maximum output of 37W.

The distinction between these figures is important. The 30W figure is the model's rated RMS output under the manufacturer's specified 10% THD condition, while 27W RMS is specified at 5% THD. Therefore, the amplifier should not simply be described as a continuously clean 37W amplifier.

For everyday PA use, the 30W RMS rating provides an appropriate reference when evaluating the amplifier against compatible speakers and the intended installation.

The actual coverage of a PA system will depend on speaker sensitivity, speaker quantity, room acoustics, installation layout, and the selected speaker-output configuration. Consequently, amplifier wattage alone does not determine how large an area the system can effectively cover.

Two Microphone Inputs

The Ahuja DPA-370 includes two microphone inputs, allowing two compatible microphone sources to be connected to the amplifier. Ahuja specifies each microphone input at 0.5mV / 2.5kΩ.

This is particularly useful for applications where more than one person may need access to the PA system.

For example, an educational institution could connect one microphone for announcements and another for presentations. A small event venue could use two microphones for speakers or presenters. A commercial facility could keep a dedicated announcement microphone connected while using another input for occasional use.

Having two dedicated microphone inputs also reduces the need for an external mixer in simple PA installations.

One Auxiliary Input

In addition to the two microphone channels, the DPA-370 provides one auxiliary input, specified at 50mV / 330kΩ.

The auxiliary channel can be useful for connecting compatible external audio sources such as a mixer, CD player, or other suitable program source. Ahuja's operation manual specifically identifies the Aux input for equipment such as a mixer or CD player.

This gives the amplifier greater versatility because it can handle both spoken announcements and external music or program material.

Built-in MP3 Player

One of the most convenient features of the Ahuja DPA-370 is its integrated digital player.

Ahuja specifies a built-in MP3 player with USB reader, allowing compatible MP3 audio files to be played directly through the amplifier without requiring a separate media player. The product documentation also confirms a remote control for the digital player.

This can simplify small PA installations considerably. Instead of connecting an external computer or media player whenever background music is needed, users can use a compatible USB storage device with the amplifier's integrated player.

For shops, restaurants, educational facilities, and other environments that regularly play announcements or background music, this integrated functionality can make everyday operation more convenient.

USB Audio Playback

The built-in USB reader provides a straightforward method for playing compatible MP3 files.

For example, a business could prepare a USB drive containing background music or recorded announcements and connect it directly to the DPA-370. The amplifier then serves as both the audio playback device and power amplifier.

This reduces the number of individual devices required in the installation and can help keep the system organized.

The manufacturer specifically identifies the digital player as an MP3 player with USB reader, so it is advisable to use supported MP3 audio files rather than assuming compatibility with every possible audio format.

Bluetooth Connectivity

The DPA-370 also provides a Bluetooth facility, adding wireless convenience to the amplifier's wired microphone and auxiliary connections.

Bluetooth can be useful when users want to send compatible audio from a nearby device without physically connecting it through the auxiliary input.

In practical environments, this can make background music playback more convenient. A user may be able to connect a compatible Bluetooth device and send suitable audio to the PA system while leaving the microphone inputs available for announcements.

This combination of wired and wireless audio sources gives the DPA-370 more flexibility than a basic PA amplifier without an integrated digital player.

Remote Control for Convenient Playback

The built-in digital player is supplied with a remote-control function. Ahuja's official documentation identifies the remote control as part of the DPA-370's digital-player features.

This is useful when the amplifier is installed in a fixed equipment area while the person operating the music or MP3 playback needs to control basic playback functions from a short distance.

It can be particularly convenient in classrooms, reception areas, small event spaces, offices, and commercial establishments.

100V Line Output for Distributed PA Systems

A major strength of the DPA-370 is its support for 100V speaker output. Ahuja specifies speaker outputs for 4Ω, 8Ω, 16Ω, and 100V.

The 100V output makes the amplifier suitable for compatible distributed public address systems, where multiple speakers can be installed throughout a building or area.

This type of configuration is commonly useful in environments such as schools, offices, commercial facilities, religious institutions, shops, and other locations requiring audio distribution across multiple areas.

The appropriate speaker configuration and total system load must be calculated carefully. The amplifier should be installed according to Ahuja's specifications and the requirements of the connected speaker system.

Multiple Low-Impedance Speaker Options

The DPA-370 also supports 4Ω, 8Ω, and 16Ω speaker outputs.

This means the amplifier is not restricted to a single type of speaker installation.

Users with compatible low-impedance speakers can configure the system accordingly, while installations requiring distributed 100V PA speakers can use the dedicated 100V output.

This flexibility can be valuable for installers working on different types of projects because the same amplifier model can potentially support different speaker architectures, provided the complete system is correctly matched.

Line Output for System Expansion

The DPA-370 provides a line output rated at 250mV / 3.5kΩ. Ahuja identifies this output as suitable for connecting to a booster amplifier.

This provides an upgrade path for installations that eventually require additional amplification.

For example, a small PA system may initially operate with the DPA-370 alone. If the installation later expands and requires additional amplification, the line output can be used as part of an appropriately designed system with a compatible booster amplifier.

This makes the DPA-370 more useful for installations that may grow over time.

Tone Control for Speech and Music

The amplifier features a cut-type tone control. Ahuja specifies the tone control as -10dB at 10kHz.

Tone control can be useful for adjusting the character of the audio depending on the source and listening environment.

Speech and music do not always sound best with identical tonal settings. A small adjustment can help users tailor the audio presentation to their particular installation.

The DPA-370 is therefore designed not only to amplify the input signal but also to provide basic control over the tonal character of the output.

Frequency Response

Ahuja specifies the DPA-370's frequency response as 100Hz–12,000Hz ±3dB.

This range reflects the amplifier's intended PA-system role.

Public address systems generally prioritize intelligible speech and practical program audio rather than the extended low-frequency performance expected from a dedicated home-theater amplifier.

The 100Hz–12kHz specification is therefore appropriate to the type of applications for which the DPA-370 is designed, including announcements, voice communication, and background music through compatible PA speakers.

Signal-to-Noise Ratio

The manufacturer specifies a 58dB signal-to-noise ratio for the DPA-370.

Signal-to-noise ratio is an important amplifier specification because it describes the relationship between the desired audio signal and background noise under the specified measurement conditions.

For PA applications, this contributes to the overall audio-system performance, although the final result will also depend on the microphones, cables, connected sources, speakers, electrical environment, and installation quality.

AC and 12V DC Operation

Another particularly useful feature of the DPA-370 is its dual power capability.

Ahuja specifies 220–240V AC, 50/60Hz operation as well as 12–14V DC car-battery operation on its current product page.

The operation manual describes the DC source as a 12–14V car battery and also documents automatic changeover from AC to battery operation.

This makes the amplifier useful in environments where continuity of the PA system is important.

If AC power fails and the system is appropriately connected to the supported DC battery source, the amplifier is designed to transfer to DC operation. This feature can be particularly useful for announcement systems where maintaining communication during an electrical outage matters.

Automatic AC-to-DC Changeover

The DPA-370's automatic transfer capability is especially relevant for installations where the PA system needs to remain operational during power interruptions.

Ahuja describes the feature as instant transfer to DC power using a car battery if AC power fails.

This can provide an additional layer of operational continuity for suitable installations.

For example, a commercial facility may use the AC supply during normal operation and maintain a compatible battery connection as a backup source. If the mains supply fails, the amplifier can transfer to the DC source according to its designed operation.

The exact backup duration will depend on the connected battery capacity, amplifier load, speaker configuration, and operating conditions, so a specific runtime should not be assumed without a proper calculation.

Useful for Bangladesh Power Conditions

For Bangladesh-based installations, dual AC/DC operation can be particularly practical where uninterrupted announcements or background audio are important.

A small business, school, religious institution, office, or commercial facility can use the DPA-370 as part of a PA system that is capable of continuing operation during suitable power interruptions when connected to an appropriate battery source.

The amplifier's 12–14V DC capability also provides flexibility for applications where battery-based operation is part of the system design.

However, users should ensure that the battery and wiring arrangement comply with the manufacturer's requirements and that the DC source is correctly connected.

Compact Installation Footprint

The current official Ahuja product page specifies dimensions of W230 × H95 × D260mm and a weight of approximately 4.5kg.

This relatively compact enclosure makes the DPA-370 practical for equipment cabinets, counters, shelves, and other locations where space is limited.

Its approximately 4.5kg weight also makes it considerably easier to install and reposition than many higher-powered PA amplifiers.

Because PA equipment is often installed in fixed locations, a compact footprint can help installers keep the overall system neat and accessible.

Practical for Small and Medium PA Installations

The DPA-370 sits in Ahuja's medium-wattage PA mixer amplifier category, with a 30W rated output.

This makes it particularly appropriate for smaller PA installations where a higher-powered amplifier would be unnecessary.

Potential applications include:

• Offices
• Schools
• Shops
• Restaurants
• Clinics
• Reception areas
• Small commercial facilities
• Religious institutions
• Training centers
• Small event spaces

The actual suitability depends on the speaker system, acoustic environment, and required coverage.

Office and Commercial Applications

In an office, the DPA-370 can act as the central amplifier for announcement and background-music speakers.

Two microphone inputs allow different users or microphone sources to be connected, while the auxiliary input and built-in media player provide options for program audio.

The 100V output can also be useful when multiple PA speakers need to be distributed throughout different areas of the building.

For retail environments, the same combination can support background music and announcements from a single compact amplifier.

Educational Applications

Schools, colleges, coaching centers, and training facilities frequently need simple PA systems for announcements, lectures, presentations, and events.

The DPA-370's two microphone inputs can accommodate different speakers, while its MP3 player and USB reader can provide direct playback of suitable recorded audio.

The 100V speaker output can be paired with compatible wall or ceiling speakers to distribute sound throughout classrooms, corridors, halls, or other areas.

Again, the number of speakers and their selected power taps must be designed so that the total system load remains compatible with the amplifier.

Religious and Community Facilities

Public address systems are also commonly needed in community and religious environments.

The DPA-370's microphone inputs, 100V output, and DC backup capability can make it suitable for appropriately sized installations where announcements and speech need to be distributed across a defined area.

The built-in MP3 player can also provide convenient playback of suitable recorded audio without requiring an external media device.

Restaurants and Shops

For restaurants and shops, the DPA-370 can combine background music with microphone announcements in a single system.

The Bluetooth function provides convenient wireless audio playback from a compatible device, while the USB MP3 player provides another source for stored music.

A compatible 100V speaker system can distribute the audio across customer areas, helping avoid the need for large consumer speakers occupying valuable floor space.

Professional PA System Integration

The DPA-370 is best understood as the central amplifier component of a broader PA system rather than as a standalone speaker.

The amplifier receives audio from microphones, auxiliary equipment, Bluetooth, or USB media. It then amplifies the selected signal and sends it to compatible speakers through the appropriate output.

For a 100V installation, the installer must account for the power rating of each connected speaker and the total speaker load. For low-impedance operation, the amplifier and speakers must be connected according to the appropriate impedance configuration.

Proper system design is therefore essential to achieve reliable performance.

Overall Value

The Ahuja DPA-370 30W PA Mixer Amplifier offers a strong combination of essential PA features in a compact format.

Its 30W RMS rated output, two microphone inputs, auxiliary input, built-in MP3/USB player, Bluetooth, remote control, tone control, line output, multiple speaker impedance options, 100V line output, and AC/DC operation make it a flexible choice for small and medium PA installations.

For Bangladesh customers looking for an Ahuja 30W PA mixer amplifier for an office, shop, school, restaurant, religious facility, or similar application, the DPA-370 provides a practical all-in-one amplification platform.

Its greatest strength is not simply its wattage. It is the combination of amplification, audio-source flexibility, speaker-output flexibility, and backup-power capability in one unit.

✅ Key Features

• 30W RMS Rated Output: Delivers 30W RMS at 10% THD and 27W RMS at 5% THD.
• 37W Maximum Output: Manufacturer-specified maximum output of 37W.
• 2 Microphone Inputs: Supports two microphone channels for announcements, presentations, and speech.
• 1 Auxiliary Input: Connects compatible external audio sources such as mixers and other program sources.
• Built-in MP3 Player: Provides direct playback of compatible MP3 audio.
• USB Reader: Play compatible MP3 files from USB storage.
• Bluetooth Facility: Provides wireless audio-source connectivity.
• Remote Control: Allows convenient control of the integrated digital player.
• 100V PA Output: Suitable for compatible distributed public address speaker systems.
• 4Ω / 8Ω / 16Ω Outputs: Supports multiple low-impedance speaker configurations.
• Line Output: 250mV/3.5kΩ output for connection to a compatible booster amplifier.
• Tone Control: Cut-type tone control specified at -10dB at 10kHz.
• AC & DC Operation: Supports 220–240V AC and 12–14V DC car-battery operation.
• Automatic AC-to-DC Transfer: Designed to transfer to DC battery operation when AC power fails.
• Compact Design: Approximately 230 × 95 × 260mm with 4.5kg weight according to the current official product page.
• 58dB Signal-to-Noise Ratio: Manufacturer-specified S/N performance for the amplifier.

✅ Ideal For

The Ahuja DPA-370 30W PA Mixer Amplifier is ideal for users who need a compact central amplifier for a small or medium public address installation.

It is particularly suitable for offices, schools, coaching centers, shops, restaurants, clinics, reception areas, commercial establishments, community facilities, and religious institutions where announcements and background audio need to be distributed through compatible speakers.

The two microphone inputs make it useful for presentations, announcements, lectures, and events. Meanwhile, the built-in MP3 player, USB reader, and Bluetooth facility provide multiple options for background music and other program audio.

For installers, the availability of 4Ω, 8Ω, 16Ω, and 100V speaker outputs provides flexibility when designing the speaker network.

The AC and 12–14V DC operating capability is particularly useful where battery backup is required. A compatible battery can provide an alternative power source during mains interruptions, subject to correct installation and battery configuration.

It is best suited to customers who want an all-in-one 30W PA mixer amplifier rather than purchasing separate amplification and basic playback equipment.

✅ Why Choose the Ahuja DPA-370?

The Ahuja DPA-370 stands out because it combines several functions that are normally handled by separate pieces of PA equipment.

At its core is a 30W RMS amplifier, but the unit also includes two microphone inputs, an auxiliary input, an integrated MP3 player with USB reader, Bluetooth connectivity, remote control, tone control, and a line output for system expansion.

Its speaker-output flexibility is another major advantage. The DPA-370 supports 4Ω, 8Ω, 16Ω, and 100V speaker outputs, allowing it to be incorporated into different compatible PA architectures. This is particularly useful for installers working with both conventional low-impedance speakers and distributed 100V line systems.

The built-in digital player also reduces equipment requirements. Instead of adding a separate MP3 playback device, users can use the amplifier's USB reader and Bluetooth facility for suitable audio sources.

The AC/DC power capability adds another layer of practicality. Ahuja specifies 220–240V AC operation as well as 12–14V DC battery operation, and its manual describes automatic transfer to the battery source when AC power fails.

For a business or institution, this combination can make the DPA-370 a convenient central component for a professionally designed PA system.

✅ Why Buy This Product?

The Ahuja DPA-370 30W PA Mixer Amplifier is a practical choice when you need amplification, microphone inputs, media playback, and flexible speaker connectivity in one compact unit.

Its 30W RMS rated output is appropriate for compatible small and medium PA installations, while the 100V output allows integration with distributed PA speakers. The 4Ω, 8Ω, and 16Ω outputs provide additional flexibility for suitable low-impedance speaker configurations.

The integrated MP3 player, USB reader, Bluetooth facility, and remote control make everyday audio playback convenient without requiring a separate media player. Two microphone inputs also make the unit useful for announcements, presentations, and speech-based applications.

Another important advantage is its AC/DC operating capability. When correctly connected to an appropriate battery system, the amplifier is designed to continue operation through a suitable DC power source if AC power fails.

For offices, schools, shops, restaurants, religious institutions, and other organizations in Bangladesh, the DPA-370 offers a versatile foundation for a compact PA system.

Order the Ahuja DPA-370 today and build a flexible, feature-rich public address system around a compact 30W mixer amplifier.