Two channels, and everything spent on them · review
A compact Class D amplifier that names its amplifier chip — TPA3116 — which is unusual and lets the design be looked up rather than guessed at.
In brief
A small amplifier that tells you what it is built from — which is more useful than a larger unconditioned number, and still not a measurement. Key figures: 2 channels · Class D · 100 W × 2 stated · bass and treble controls · TPA3116 chipset. Amazon.com had an offer at $56 on October 25, 2026. Our score: 7.5/10, specification-checked.
TPA3116. Naming the amplifier chip means the claim can be checked against a datasheet published by someone other than the seller. Almost nothing else in this catalog offers that, at any price.
A load and a supply voltage. Class D output from this chip family varies substantially with both, and “100 W × 2” without them is an upper bound rather than a rating. This page states it as published.
Efficiency, which means a small box that runs cool and can sit on a shelf without ventilation. That is why this format exists and why it fits places a conventional integrated amplifier does not.
Bass and treble. Purist amplifiers omit them; real rooms often want them, particularly with small speakers close to a wall. Having them is a practical advantage rather than a compromise.
A desk system, a bedroom, a second room, or a first pair of passive speakers. It is not a substitute for a full-size integrated amplifier, and it does something that one cannot: fit.
Amazon.com lists this model (ASIN B076P2VS9H) and had an offer at $56 on October 25, 2026. The price box on this page is refreshed live and takes precedence over that figure.
| Channels | 2.0 — stated |
|---|---|
| Topology | Class D — stated |
| Power | 100 W × 2 — stated per channel, without conditions |
| Chipset | TPA3116 — stated by name |
| Controls | Bass and treble — stated |
| Amazon reference | B076P2VS9H |
| EAN | 0713923289420 |
Because the chip's own specification is published by its manufacturer, so the claim can be checked against it rather than taken on trust. Very few amplifier listings at any price name the part they are built around.
It depends entirely on the supply voltage and the load, neither of which is stated. The chip family is capable of figures in that region under specific conditions. This page reports the claim as published and notes that the conditions are absent.
7.5/ 10
A small amplifier that tells you what it is built from — which is more useful than a larger unconditioned number, and still not a measurement.
Between stereo amplifiers at a nearby price. Shown: what they all state. A half-filled column says nothing.
| Model | Price | Power |
|---|---|---|
| Fosi Audio TB10A Class D integrated amplifier, 100 W × 2 | $56 | 100 W × 2 — stated per channel, without conditions |
| Donner Stereo amplifier, 600 W peak, with phono and microphone inputs | $110 | 600 W peak — stated as PEAK, not as RMS |
| Yamaha R-S202D stereo receiver with DAB | $250 | Not stated in this listing |
| Marantz Stereo 70s HiFi stereo amplifier | $1200 | Not stated in this listing |
A desk, a small room or a second system, where size and cool running matter as much as the figure.
Amazon reports what buyers took in the month before this page was last checked: at least 100.
The figure is a floor, rounded by Amazon, and read through Keepa — it says what buyers picked, not what a maker claims.
Specifications: the manufacturer sheet and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
2 channels · 600 W PEAK · Bluetooth 5.3 · phono · optical · coaxial · USB · FM · 2 microphone inputs
A two-channel amplifier with an unusually long input list — including a phono stage — and a power figure stated as peak, which the page reports as such.
Best for: A room with several sources — a turntable, a television, a phone — where connection count matters more than measured power.
≈ $110
Two channel · HiFi stereo amplifier · Marantz house design
A two-channel amplifier from a house whose recent stereo models carry HDMI — the connection that lets a hi-fi amplifier sit under a television and be controlled by its remote.
Best for: A room where music matters as much as film, and where two very good channels beat seven adequate ones.
≈ $1,200
Stereo receiver · DAB tuner · Bluetooth
A stereo receiver rather than an amplifier — the difference is the tuner, and in a household that listens to radio it is the whole point.
Best for: A household that listens to radio daily and wants proper speakers rather than a compact system.
≈ $250
Prices quoted in these summaries are dated readings. The live price is shown next to each product.
