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forum threadvid1900 posted Today 05:02 AM
forum threadvid1900 posted Today 05:02 AM

Topping Mini 300 Amp, 140wX2 Fully Ballanced $128

$128

$128

Amazon
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Normally $140, but there is a clickable coupon right now, bringing the price down to $127.08

Did amazing when bench tested at Audio Science Review

You can use XLR to TRS cables to use this in fully balanced mode.

No turn-on thump

Super low distortion.

Trigger switches on with the rest of your components.

【Professional Balanced Class-D Design】Featuring a fully balanced amplification architecture, the TOPPING Mini300 minimizes noise and interference for a pure, distortion-free signal path—achieving professional-grade transparency and depth in a compact form.
【High Power Output with Ultra-Low Distortion】Delivering up to 140W×2 @4Ω (THD+N <10%) and maintaining <0.0004% THD+N @8Ω 5W, Mini300 combines high fidelity and high power, ideal for both HiFi listening and studio monitoring applications.
【Exceptional Dynamic Range and Clarity】With 124dB DNR and 124dB SNR, Mini300 preserves every subtle musical detail—allowing instruments and vocals to sound natural, lifelike, and richly layered.
【Auto Power Sync with TRIG Control】The TRIG-linked power function automatically powers the amplifier on/off in sync with connected devices—making system control effortless and eliminating the need to operate multiple units individually.
【Dual Input Compatibility】Supports both balanced TRS and unbalanced RCA inputs—no adapter required. Easily integrates with DACs, preamps, or audio interfaces for flexible system setups.
【Quiet, Safe, and Reliable Operation】Engineered for silent startup/shutdown, and equipped with overheat and overcurrent protection, ensuring long-term reliability and zero noise during playback.
【Compact and Durable Aluminum Design】Built with a CNC-machined all-aluminum chassis available in multiple finishes. Bottom and side cooling vents improve thermal efficiency while maintaining a clean, modern appearance for any desktop setup.

https://www.amazon.com/TOPPING-Am...B0FZBPZ91J
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Normally $140, but there is a clickable coupon right now, bringing the price down to $127.08

Did amazing when bench tested at Audio Science Review

You can use XLR to TRS cables to use this in fully balanced mode.

No turn-on thump

Super low distortion.

Trigger switches on with the rest of your components.

【Professional Balanced Class-D Design】Featuring a fully balanced amplification architecture, the TOPPING Mini300 minimizes noise and interference for a pure, distortion-free signal path—achieving professional-grade transparency and depth in a compact form.
【High Power Output with Ultra-Low Distortion】Delivering up to 140W×2 @4Ω (THD+N <10%) and maintaining <0.0004% THD+N @8Ω 5W, Mini300 combines high fidelity and high power, ideal for both HiFi listening and studio monitoring applications.
【Exceptional Dynamic Range and Clarity】With 124dB DNR and 124dB SNR, Mini300 preserves every subtle musical detail—allowing instruments and vocals to sound natural, lifelike, and richly layered.
【Auto Power Sync with TRIG Control】The TRIG-linked power function automatically powers the amplifier on/off in sync with connected devices—making system control effortless and eliminating the need to operate multiple units individually.
【Dual Input Compatibility】Supports both balanced TRS and unbalanced RCA inputs—no adapter required. Easily integrates with DACs, preamps, or audio interfaces for flexible system setups.
【Quiet, Safe, and Reliable Operation】Engineered for silent startup/shutdown, and equipped with overheat and overcurrent protection, ensuring long-term reliability and zero noise during playback.
【Compact and Durable Aluminum Design】Built with a CNC-machined all-aluminum chassis available in multiple finishes. Bottom and side cooling vents improve thermal efficiency while maintaining a clean, modern appearance for any desktop setup.

https://www.amazon.com/TOPPING-Am...B0FZBPZ91J

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Original Poster
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Today 05:04 AM
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Joined Sep 2016
vid1900
Original Poster
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Today 05:04 AM
2,436 Posts

Our community has rated this post as helpful. If you agree, why not thank vid1900

Here is testing at Audio Science Review.
It actually did 119watts per channel @ 1% distortion into a 4ohm load.

https://www.audiosciencereview.co...iew.68581/
Last edited by vid1900 January 2, 2026 at 10:10 PM.
2
Today 09:04 AM
3,040 Posts
Joined Oct 2004
Cheapy StuffToday 09:04 AM
3,040 Posts
Too bad it doesn't have a sub out..
Today 02:26 PM
20 Posts
Joined Sep 2025
NavyName9874Today 02:26 PM
20 Posts
My experience is getting support from Topping is not easy. Quality is not always there as well. After owning several of their products in the past, I have decided to pass on this brand.
Today 02:30 PM
1,140 Posts
Joined Sep 2014
jaredalanmitchellToday 02:30 PM
1,140 Posts
It's unclear if it comes with a power supply for the unit. It seems to take a 38V DC power supply with a unique style plug.

Not familiar with topping but these chip amps often come with cheap or under powered DC Adapters that prevent the amp from meeting the specs without purchasing something better.

Something to keep in mind, pictures don't show the DC adapter and no reviews.
Original Poster
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Today 03:04 PM
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vid1900
Original Poster
Pro
Today 03:04 PM
2,436 Posts
Quote from jaredalanmitchell :
It's unclear if it comes with a power supply for the unit. It seems to take a 38V DC power supply with a unique style plug.

Not familiar with topping but these chip amps often come with cheap or under powered DC Adapters that prevent the amp from meeting the specs without purchasing something better.

Something to keep in mind, pictures don't show the DC adapter and no reviews.
It comes with a 38v 4a power supply.

Using the included power supply, the amp produced 119watts per channel @ 1% distortion into a 4ohm load says Audio Science Review
1

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