NFCA Module for Superior Sound Quality

Experience audio like never before with the A50 III's advanced NFCA (Nested Feedback Composite Amplifier) module. Utilizing Voltage Current hybrid feedback architecture and UHGF (UltraHigh Gain Feedback) technology, it delivers exceptional DC and AC performance, ensuring pristine sound reproduction.

CNC Unibody Design for Durability and Electromagnetic Shielding

Crafted from solid aluminum bricks and meticulously machined through CNC processes, the A50 III boasts a full aluminum case that not only enhances durability but also provides excellent electromagnetic shielding. Its sleek appearance and superior strength make it a masterpiece of craftsmanship and technology.

Multiple Input and Output Options for Versatile Connectivity

Equipped with single-ended and balanced headphone jacks (6.35mm and 4.4mm respectively), as well as RCA single-ended and TRS balanced inputs, the A50 III offers flexibility in connecting different devices. Choose the input and output combinations that suit your preferences effortlessly.

Three Gain Settings to Accommodate All Types of Headphones

Tailor your listening experience with three gain selections, ensuring compatibility with a wide range of headphones. With a low noise floor of 0.3uVrms, even IEMs remain undisturbed, allowing you to enjoy every detail of your music.

Powerful Output for Maximum Performance

Experience powerful output of 3500mW x 2, guaranteeing that most headphones can unleash their full potential. With a distortion rate of less than 0.1%, even at high power, the A50 III ensures clear and detailed sound reproduction.

12V Trigger for Synchronized Operation

The A50 III features a 12V Trigger input, enabling synchronized operation with other devices. Switch on and off seamlessly with compatible devices for a hassle-free experience.

Perfect Partner—D50 III

Paired with the D50 III, the A50 III forms a harmonious combination with unique metallic aesthetics. Together, they cater to the needs of most headphones and active speakers, offering an elevated audio experience. Additionally, the A50 III can be conveniently controlled alongside the D50 III via the 12V Trigger.

Inside the Box:TOPPING A50 III/15V DC adapter/6.35 to 3.5mm adapter/Product information card

Specs

Maximum specs

THD+N @1kHz (A-wt): <0.00006% 

THD @20-20kHz 90kBW: <0.0001%

SNR @Max Out 1kHz A-wt: 144dB 

Dynamic range @1kHz A-wt: 144dB 

Frequency response: 20Hz - 40kHz (±0.1dB) / 10Hz - 100kHz (±0.5dB)


Output level: 

Low gain: 21Vpp

Medium gain: 21Vpp

High gain: 21Vpp

AP measured noise level @A-wt

Low gain: <0.7uVrms

Medium gain: <0.7uVrms

High gain: <1.1uVrms 

Actual noise level @A-wt

Low gain: <0.3uVrms

Medium gain: <0.3uVrms

High gain: <1.0uVrms


Input sensitivity

Low gain: 9.2Vrms

Medium gain: 8Vrms

High gain: 1.9Vrms 


Gain

Low gain: -12dB

Medium gain: 0dB

High gain: 11.7dB

Output impedance: <0.2Ω

Input impedance

Low gain: 2kΩ

Medium gain: 2kΩ

High gain: 2kΩ

Output power

3500mW x2 @32Ω THD+N<0.1% Load impedance: >8Ω