
Audio Phonic AP-L120 Class AB Power Amplifier 2 Channel (2.0)
Key Features
- Working method: Class AB
- Output power: 120W @ 8 ohms
- Total Harmonic Distortion:< 0.0005% @ 1kHz, 10W
- Damping Factor: > 200 (8 ohm)
- Frequency response:15Hz – 50kHz (-3dB)
- Input: RCA Lotus Terminals
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Specification
Amplifier
Amplifier Class
Class AB
Power Chip/IC
Transistor
Output Impedance
4-8 Ohms
Input Voltage
230V AC
Colour
Black & Silver
Description
Audio Phonic AP-L120 Class AB Power Amplifier 2 Channel (2.0) – Ultra Low Distortion Professional Audio Precision
The Audio Phonic APL-120 Class AB Power Amplifier 2 Channel (2.0) is a high-precision audiophile amplifier designed for users who demand ultra-low distortion, accurate sound reproduction, and professional-grade monitoring performance. Built on the respected LJM L12 circuit philosophy, this amplifier is engineered for listeners who prioritize sound accuracy and detail over coloration or enhancement.
Available from Audio Phonic, the APL-120 is ideal for studio monitoring, audiophile setups, and high-resolution audio systems where true sound transparency is required.
Designed for Professional-Grade Sound Accuracy
The AP-L120 is based on a rigorously tested amplifier design created by LJM, known for precision audio engineering.
Core philosophy:
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Ultra-low distortion reproduction
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Accurate signal tracking
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High-resolution audio output
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Reference-level monitoring sound
Unlike many consumer amplifiers, this model is designed for users who need truthful sound reproduction without artificial warmth or coloration.
Class AB High-Power Output Performance
The amplifier operates in:
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Class AB mode
Output power:
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120W @ 8 ohms
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200W @ 4 ohms
Advantages of Class AB:
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Balanced efficiency and performance
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Strong dynamic response
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Lower distortion compared to Class B
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Stable high-power output
This makes it suitable for both home hi-fi and semi-professional monitoring systems.
Ultra-Low Distortion Audio Output
One of the strongest features of the APL-120 is its extremely low distortion level:
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Total Harmonic Distortion (THD): < 0.0005% @ 1kHz, 10W
What this means:
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Extremely clean sound output
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Minimal harmonic interference
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Highly accurate audio reproduction
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Studio-grade precision
This level of distortion performance is ideal for critical listening environments.
Wide Frequency Response for Full Audio Detail
The amplifier supports a wide frequency range:
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15Hz – 50kHz (-3dB)
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20Hz – 20kHz (±0.02dB flat response)
Benefits:
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Deep bass extension
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Accurate midrange reproduction
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Extended high-frequency clarity
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Natural and balanced sound spectrum
This ensures that no detail in music is lost during playback.
High Damping Factor for Tight Speaker Control
The APL-120 features:
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Damping factor > 200 (8 ohm load)
Why this matters:
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Tight and controlled bass response
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Better speaker movement control
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Reduced distortion at low frequencies
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Improved sound accuracy
This allows the amplifier to control speakers with precision and stability.
Professional Input Sensitivity Design
The amplifier uses:
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Input sensitivity: 1.6V (for 120W output at 8 ohm)
Benefits:
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Compatible with professional audio sources
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Clean signal amplification
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Reduced noise interference
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Accurate gain control
It is designed for high-quality audio equipment integration.
Stable and Reliable LJM Circuit Architecture
The AP-L120 is built on:
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LJM L12 ultra-low distortion amplifier circuit
Key characteristics:
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Precision analog design
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High stability operation
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Advanced measurement tuning
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Professional engineering approach
This ensures consistent and reliable long-term performance.
Fast and Accurate Static Current Control
The amplifier operates with:
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Static current: 80mA
Benefits:
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Stable Class AB operation
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Reduced heat variation
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Improved efficiency balance
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Consistent sound performance
This ensures smooth and stable amplification behavior.
Professional Monitoring Sound Signature
The Audio Phonic APL-120 is designed with a neutral and analytical sound profile.
Sound characteristics:
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Very detailed midrange
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Tight and controlled bass
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Slightly cold and accurate tone
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Highly transparent highs
This makes it ideal for:
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Studio monitoring
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Audio mastering environments
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Critical listening setups
Build Quality and Physical Design
The amplifier features:
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Solid metal construction
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Professional-grade chassis design
Dimensions:
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320 × 313 × 130 mm
Weight:
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Net weight: 10 kg
Benefits:
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Strong structural durability
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Reduced vibration interference
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Heat dissipation efficiency
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Stable internal layout
This ensures long-lasting professional performance.
Ideal Applications
The Audio Phonic APL-120 is perfect for:
Studio Monitoring Systems
Delivers accurate sound reproduction for professional audio work.
Audiophile Listening Rooms
Provides detailed and neutral sound signature.
Home Hi-Fi Systems
High-quality stereo performance for music lovers.
Audio Testing & Analysis
Suitable for precision sound evaluation setups.
Why Choose Audio Phonic APL-120
When you buy from Audio Phonic, you get:
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100% original Audio Phonic amplifier
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Professionally tested unit
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High-precision LJM circuit implementation
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Best price in Bangladesh
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Reliable after-sales support
Audio Phonic ensures professional-grade audio equipment for serious users.
Audio Phonic APL-120 Price in Bangladesh
The Audio Phonic APL-120 Class AB Power Amplifier price in Bangladesh reflects its high-precision LJM design, ultra-low distortion performance, and professional monitoring capabilities. It is positioned as a reference-level amplifier for accurate sound reproduction.
Technical Specifications
Model: APL-120
Brand: Audio Phonic
Type: Class AB
Channel: 2.0
Output Power:
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120W @ 8 ohm
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200W @ 4 ohm
THD: < 0.0005% (1kHz, 10W)
Damping Factor: > 200 (8 ohm)
Frequency Response:
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15Hz – 50kHz (-3dB)
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20Hz – 20kHz (±0.02dB)
Static Current: 80mA
Input Sensitivity: 1.6V
Build: High-precision LJM L12 circuit design
Dimensions: 320 × 313 × 130 mm
Net Weight: 10 kg
Final Verdict
The Audio Phonic APL-120 Class AB Power Amplifier 2 Channel (2.0) is a professional-grade ultra-low distortion amplifier designed for accuracy and transparency.
With its LJM-based circuit design, wide frequency response, and extremely low THD, it delivers a pure, detailed, and reference-level listening experience.
If you are looking for a high-precision Class AB amplifier in Bangladesh for studio or audiophile use, the APL-120 from Audio Phonic is an excellent choice.
Frequently Asked Questions (FAQs)
1. Is Audio Phonic AP-L120 a professional amplifier?
Yes, it is designed for high-precision monitoring and professional audio use.
2. What is the output power?
It delivers 120W at 8 ohms and 200W at 4 ohms.
3. What type of sound does it produce?
It produces neutral, detailed, and highly accurate sound.
4. Is it suitable for music lovers?
Yes, but it is more focused on accuracy than warmth.
5. What makes it special?
Its ultra-low distortion (0.0005%) makes it extremely precise.
6. Can it be used for studio monitoring?
Yes, it is ideal for studio and audio analysis work.
7. What speakers are compatible?
It supports 4–8 ohm speakers.
8. Where can I buy it in Bangladesh?
You can purchase it from Audio Phonic with trusted support.















