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Within Square Inches Music Bursts Forth
TOPPING A50 III
Fantasy HPA for desktop
Meet the third generation of the TOPPING A50 series, the A50 III Desktop Headphone Amp, which builds on the foundation of its predecessors to deliver an even better audio experience.
Attribute
- Power input: DC 15V/1A @DC base 5.5*2.1
- Signal input: 1x TRS (L+R), 1x RCA (L+R)
- Headphone Amplifier output: 1 x 6.35mm headphone output jack, 1 x 4.4mm headphone output jack
- Other interface: 12V Trigger (3.5mm jack in), Type-C FW port
- Gain:Three types (H/M/L)
Contents list
- A50 III
- 15V DC adaptor
- 6.35mm to 3.5mm adaptor
- Product information Card
NFCA modules
High output current drive capability allows the amp driving low impedance headphones with ease.
APX555B
Upper limit of performance was limited by APX555B
- THD+N<0.00006%
- DNR>144dB
Full aluminum case
CNC machining provides excellent electromagnetic shielding while giving the A50 III a smooth appearance and superior strength.
Single-end / Balanced
The A50 III has 6.35mm single-ended and 4.4mm balanced headphone jack, as well as RCA single-ended and TRS balanced input.
Wide range of adaptation to headphones
The A50 III has three gain selections for all types of headphones. With low noise of 0.3uVrms, IEMs will not be disturbed by any noise floor.
Powerful Output
With a powerful output of 3500mW x 2, the A50 III ensures that most headphones can maximize their performance. It maintains a low distortion rate of less than 0.1% even at high power.
12V Trigger
The A50 III is equipped with 12V Trigger input, which supports switching on and off synchronously with other devices
Perfect partner—D50 III
The D50 III and A50 III have the same design language. This combination has unique metallic aesthetics no matter how it's placed. And they meet the needs of most headphones and active speakers. The A50 III can also be switched on and off with the D50 III via 12V Trigger.
TA
Reviewed in Germany on March 3, 2025
Habe den Amp A50III zusammen mit dem D50III gekauft, nicht nur, weil beide mehr oder weniger eine Einheit bilden und schön zusammen passen. Der Amp ist kräftig genug, um meine magnetostatischen Kopfhörer mit genug Saft zu versorgen. Allerdings habe ich noch das passende Linearnetzteil von Topping dazu geordert. Was soll ich sagen? Ich bin mit der Performance total zufrieden, der Kauf hat sich gelohnt.
Trev-R
Reviewed in the United Kingdom on August 25, 2024
I wanted a headphone amp to connect to my newly acquired WiiM Ultra but didn't want to spend as much as the Graham Slee Solo on my main hifi. It is a very heavy unit, it feels quality construction. Sound wise through the single ended output it is very good when tested with Grado GS1000i and Hifiman 400SE's, however when using the 4.4mm output to my 400SE's the sound stage opens up and I actually prefer it over the Graham Slee.
Steven
Reviewed in the United States on August 29, 2020
Great amp. Still waiting to get the D50s for the perfect combo setup.
Carter M. Benson
Reviewed in the United States on July 22, 2020
Very solid build. Has enough power to handle most headphones. Has balanced output which increases the overall output. Very clean no hissing noise when no music is playing. Great feature is the pass-through rca outputs. Very happy especially at the price point.
John P Roberts
Reviewed in the United States on December 31, 2020
Great little amp. Definitely an upgrade from the headphone out on my MX3. I'm using T60RPs with a Hart Audio balanced cable.
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