3e Audio A7 Mono Class D Power Amplifier

3e Audio A7 Mono Class D Power Amplifier Price in Bangladesh

3e Audio 3e Audio A7 Mono Class D Power Amplifier is a high-end audiophile-grade mono block amplifier designed for users who demand maximum power delivery, ultra-low distortion, and exceptional clarity in their HiFi audio systems. At Audio Phonic, we offer original 3e Audio amplifiers in Bangladesh for serious audiophiles, home theater builders, and professional audio users who want uncompromised sound performance with advanced Class D technology.

The A7 Mono is built around a single Texas Instruments TPA3255 amplifier chip combined with premium OPA1656 operational amplifiers and advanced PFFB architecture. This powerful combination ensures extremely clean signal reproduction, high dynamic range, and powerful output capability, making it ideal for driving demanding speakers in both home and professional environments.

With balanced XLR and RCA inputs, selectable gain options, ultra-high power output, and audiophile-grade internal components, the 3e Audio A7 Mono is designed to deliver reference-level performance for serious stereo and multi-channel HiFi systems.

High-Performance Class D Mono Amplifier Design

The 3e Audio A7 Mono is a dedicated single-channel Class D power amplifier engineered for maximum performance.

Mono block amplifiers are widely preferred in high-end audio systems because they provide:

Dedicated Power per Channel

Each speaker gets a dedicated amplifier for maximum clarity and control.

Improved Sound Separation

Eliminates channel interference for better stereo imaging.

Higher Power Delivery

More efficient power allocation improves dynamic performance.

Better Audio Precision

Dedicated amplification enhances detail and accuracy.

The A7 Mono takes these benefits further with advanced Class D engineering.

Texas Instruments TPA3255 Amplifier Chip

At the core of the A7 Mono is the powerful Texas Instruments TPA3255 amplifier chip.

This chip is widely recognized in the audiophile community for its exceptional performance.

Ultra-Low Distortion Performance

Ensures clean and transparent audio reproduction.

High Power Efficiency

Delivers strong output while minimizing heat generation.

Excellent Dynamic Response

Improves bass impact and transient accuracy.

Wide Frequency Response

Maintains full-range audio clarity and balance.

The single-chip mono configuration allows the amplifier to deliver maximum power per channel without compromise.

Premium OPA1656 Operational Amplifiers

The A7 Mono uses dual OPA1656 operational amplifiers for signal processing.

These high-quality op-amps are known for:

Low Noise Operation

Reduces unwanted hiss and interference.

High Audio Accuracy

Preserves fine musical detail and tonal balance.

Improved Sound Transparency

Allows natural and realistic audio reproduction.

Enhanced Stereo System Matching

Perfect for use in high-end mono block setups.

The OPA1656 ensures the amplifier maintains audiophile-grade signal purity.

Advanced PFFB Architecture

The amplifier features Post Filter Feedback (PFFB) technology.

PFFB significantly improves Class D amplifier performance by:

Stabilizing Frequency Response

Maintains consistent sound across different speakers.

Reducing Distortion

Improves clarity and tonal accuracy.

Enhancing Speaker Compatibility

Works effectively with various impedance loads.

Improving Overall Sound Quality

Delivers smoother and more natural audio output.

This advanced architecture is one of the key reasons the A7 Mono performs at such a high level.

Flexible Input Connectivity Options

The 3e Audio A7 Mono supports multiple input options for versatile system integration.

RCA Single-Ended Input

Suitable for DACs, preamps, CD players, and standard audio sources.

Balanced XLR / 6.35mm Combo Input

Professional-grade balanced input for superior noise rejection.

This dual input system allows compatibility with both consumer and professional audio setups.

Advantages of Balanced Input System

Balanced audio input provides significant improvements in performance.

Reduced Electrical Noise

Minimizes interference in long cable runs.

Improved Signal Integrity

Ensures cleaner audio transmission.

Higher Dynamic Range

Preserves detail and clarity in high-resolution audio.

Professional Audio Compatibility

Ideal for studio and high-end HiFi systems.

Balanced input makes the A7 Mono suitable for reference-level setups.

Outstanding Audio Performance Specifications

The 3e Audio A7 Mono delivers exceptional technical performance.

Extremely Low THD+N

RCA Input

0.0007% @ 4Ω
0.0006% @ 8Ω

XLR Input

0.0006% @ 4Ω
0.0005% @ 8Ω

These ultra-low distortion levels ensure highly accurate sound reproduction.

High Signal-to-Noise Ratio

RCA Input

123dB

XLR Input

126dB

This ensures a clean and quiet background for detailed audio playback.

Wide Dynamic Range

Up to 126dB dynamic range provides highly expressive sound performance.

Extended Frequency Response

20Hz–35KHz frequency response ensures full-range audio clarity.

These specifications place the A7 Mono in the high-end audiophile category.

Powerful Mono Output Performance

The 3e Audio A7 Mono is designed for serious power delivery.

Output Power at Different Loads

2Ω Load

480W (1% THD+N)
600W (10% THD+N)

4Ω Load

260W (1% THD+N)
320W (10% THD+N)

8Ω Load

150W (1% THD+N)
200W (10% THD+N)

This high power output makes the amplifier suitable for demanding speaker systems.

Ideal for High-End Speakers

Perfect for floor-standing and large bookshelf speakers.

Excellent Bass Control

Delivers tight and powerful low-frequency performance.

High Headroom Performance

Maintains clarity even at high volume levels.

Professional Audio Systems

Suitable for studio monitoring and advanced HiFi setups.

Exceptional Crosstalk Performance

Since this is a mono amplifier, channel separation is inherently perfect.

However, internal design ensures:

Ultra-Low Interference

Crosstalk reaches extremely low levels (-120dB to -130dB in design performance).

Pure Signal Path

No channel contamination or interference.

Improved Audio Accuracy

Ensures precise and focused sound reproduction.

This makes mono block amplification ideal for high-end stereo systems when used in pairs.

Ultra-Low Noise Floor

The A7 Mono maintains extremely low noise levels.

Noise Performance

RCA Input

Below 20uVrms

XLR Input

Below 15uVrms

This ensures:

Silent Background

No unwanted hiss during playback.

High Detail Retrieval

Subtle musical details become more audible.

Improved Listening Experience

Cleaner and more immersive sound quality.

Gain Control and Flexibility

The amplifier includes adjustable gain settings for system optimization.

RCA Gain

26dB / 29dB

XLR Gain

20dB

Benefits of Gain Control

Better System Matching

Optimizes performance with different DACs and preamps.

Flexible Setup Options

Suitable for both low and high output sources.

Improved Audio Balance

Helps fine-tune system performance.

Wide Speaker Compatibility

The A7 Mono supports speaker impedance from 2Ω to 16Ω.

Versatile System Integration

Works with a wide range of speakers.

Stable Operation

Ensures reliable performance under different loads.

High Flexibility

Suitable for custom HiFi system building.

Efficient Power Consumption

Despite its high power output, the amplifier remains efficient.

Power Usage

OFF: Less than 0.4W
ON (idle): 6W

This ensures energy-efficient operation for daily use.

Compact and Heavy-Duty Design

The 3e Audio A7 Mono is compact yet powerful.

Dimensions

170 × 168 × 46 mm

Weight

1 KG

Design Benefits

Space Saving

Easy to integrate into audio racks and setups.

Solid Build Quality

Durable aluminum chassis construction.

Premium Appearance

Minimalist and professional HiFi design.

High-Quality Power Supply Included

The amplifier comes with a 48V 10A power adapter.

Stable Power Delivery

Ensures consistent performance under heavy load.

High Current Capability

Supports powerful dynamic audio output.

Dual Voltage Compatibility

Works with 110V and 230V systems.

Package Contents

3e Audio A7 Mono Amplifier

Single-channel Class D mono block unit.

48V 10A Power Adapter

High-performance dedicated power supply.

Ideal Use Cases for Audiophiles

The 3e Audio A7 Mono is perfect for:

High-End Stereo Systems

Use two units for superior stereo separation.

Home Theater Systems

Provides powerful dedicated channel amplification.

Audiophile Speaker Systems

Drives demanding speakers with precision.

Professional Audio Applications

Suitable for studio and monitoring environments.

Custom HiFi Builds

Ideal for advanced audio system designers.

Why Buy 3e Audio A7 Mono from Audio Phonic

Audio Phonic is a trusted source for premium HiFi audio equipment in Bangladesh.

When purchasing from Audio Phonic, customers receive:

Original 3e Audio Products

Guaranteed authentic amplifier with premium quality assurance.

Competitive Price in Bangladesh

Affordable pricing for audiophile-grade equipment.

Professional Customer Support

Expert guidance for setup and system integration.

Trusted Audio Shopping Experience

Reliable service for music lovers and audiophiles across Bangladesh.

FAQs About 3e Audio A7 Mono Class D Power Amplifier

What amplifier chip is used in the A7 Mono?

It uses a single Texas Instruments TPA3255 Class D amplifier chip.

Is the A7 Mono suitable for stereo systems?

Yes, two units can be used as mono blocks for stereo setups.

What is the maximum output power?

Up to 600W at 2Ω under 10% THD+N conditions.

Does it support balanced input?

Yes, it supports XLR and 6.35mm balanced input.

What is the frequency response?

20Hz–35KHz.

What speaker impedance is supported?

2Ω to 16Ω speakers are supported.

Does it include gain control?

Yes, it supports adjustable gain settings for system matching.

Is it energy efficient?

Yes, it has low power consumption in idle and standby modes.

What power supply is included?

A 48V 10A mains adapter is included in the package.

Where can I buy the A7 Mono in Bangladesh?

You can purchase the original 3e Audio A7 Mono Class D Power Amplifier from Audio Phonic in Bangladesh.