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TDA7498E 2 Channel Stereo Audio Amplifier Receiver Mini Hi-Fi Class D Integrated Amp for Home Speakers 160W x 2 + 24V Power Supply
|Price:||& FREE Shipping. Details & FREE Returns|
|You Save:||$10.00 (12%)|
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- Make sure this fits by entering your model number.
- Adopt STMicro TDA7498E chip to get clear audio sound, No pop, no audible noise, dead silent when nothing is playing through it.
- 160W X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), for outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers, can use iPod, Phone, MP3 players, TV, Echo Dot, CD players, or Streaming Media players as input.
- 2.0CH audio integrated amplifier, aluminum enclosed, small size, good looks, simple functionality, and excellent sound quality;
- Home small Hi-Fi amp, Exclusively designed for the customers who pursue HiFi sound;
- You can return the item if you have any problems, 18-month warranty, feel free to contact us at email@example.com;
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|Type||2.0 CH Amp||2.0 CH Amp||2.0 CH Amp||2.1 CH Amp||Subwoofer Amp/Mono Amp||Tube Preamp|
|Input||RCA||Bluetooth + RCA||RCA||Bluetooth + RCA||RCA||Bluetooth + RCA|
|Output||Passive Speakers||Passive Speakers||Passive Speakers||Passive (Speakers+Subwoofer) +Powered Subwoofer||Passive (Speakers+Subwoofer)+Powered Subwoofer||Powered Speakers|
|THD||≤ 0.04%||≤ 0.04%||≤ 0.004%||≤ 0.04%||≤0.03%||THD ≤0.1%|
|SNR||≥ 98dB||≥ 98dB||≥110dB||≥ 98dB||≥106dB||≥ 98dB|
|Power Adapter||24V/4.5A||24V/4.5A||AC 110V power cord||24V/4.5A||24V/4.5A||12V/4.5A|
|Work Voltage||AC 110V - 240V||AC 110V - 240V||AC 110V||AC 110V - 240V||AC 110V - 240V||AC 110V - 240V|
|MAX Power Output||160 wattx2||100 wattx2||50 wattx2||50 wattx2+100 watt||300 watt||—|
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1. Please plug the power cord into the amp THEN the wall, plug the audio cables into amp THEN switch on.
Some customers may see some slight sparks flying when they plug the power supply into the amplifier, because they use it in wrong way, you need to connect the amp to the power supply first, then plug the power supply into the 110v AC outlet, don't worry about the sparks, because this is class d amplifier, the capacitors need to charge when the power in, it's normal and safe.
2. The amp will off when you switch off, but it’s normal that the power LED light stay on even switch off, the power LED light on means the power supply in.
3. What will cause noise?
Poor quality audio cables, Sound source, Speakers, Other interfering signals;Incompletely connections.
4. How to judge whether the noise from the amplifier?
Unplug the RCA cable, connect this amp to speakers, and then plug into the power supply, power on and volume on, hear whether noise exists on speakers, if noise existed, the noise may from speakers or amp, so you need to change speakers for further confirmation. If no noise the noise may from the audio source.
🍎With Bass and Treble Control version: B076P2VS9H .
1. Power supply range: 12v-32v;
2. THD: ≤ 0.04%;
3. Frequency Range: 20Hz - 20kHz (±1 dB);
4. SNR: ≥ 98dB;
5. Input sensitivity: ≤ 280mV;
6. Terminating impedance: 2Ohm - 8 Ohm;
7. Output power: 160W + 160W;
8. Input mode: Analog;
9. Power supply: 24V 4.5A;
10. Supplied Accessories: Amplifier, Power supply, AC power cord, Manual.
Top reviews from the United States
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The aluminum channel enclosure is sleek and feels solid. It blends in nicely under a 27" monitor, and I appreciate the minimalism of a power switch and volume knob. I did not experience any sparking from the barrel plug. This issue appears to have been addressed with an inrush limiting circuit; on the bottom side of the board there is a TPCA8051 silkscreen designator corresponding to a FET that probably serves this purpose. Teardown photos are included. The PCBA appears to be quite well manufactured, and was clearly built on an automated line versus hand assembly. Nice to find at this price point.
However, here's my one gripe as an EE that is no stranger to questioning specifications. It's disingenuous to say that this amp could deliver 160W+160W RMS. That is indeed the nominal datasheet spec for the TDA7498E, but it's only achievable under the following conditions: Vcc=36V, RL=4 Ohm, and THD=10%. The power supply shipped with this unit is only 24V, and the internal electrolytic caps are only rated to 35V. Assuming we want to stick to <1% THD with our 24V power supply and stock caps, Figure 4 in the datasheet tells us that we're able to source 60W+60W RMS into a 4 Ohm load. For 0.1% THD this figure is reduced slightly. 60W per channel is very much loud enough for my application, but it may matter to you!
Overall, I'd recommend this unit.
So anyway... I bought this amp because I needed something small and portable for troubleshooting a Marantz 2270 receiver that was producing an annoying static-y sound at low levels. I connected the 2270's preamp output to this little amplifier and heard no more static, which helped me determine that the 2270 needed some work on the amplifier boards.
BUT.. .something magical happened. The sound from this chip amp was actually incredible! It rivaled the 2270's internal amp in many ways. It was full and detailed, and much more musical than I had expected for a $70 import. It delivered crisp clean power with a killer sound stage. However, if there is one criticism, it is a bit bright sounding, but that can be quickly and easily remedied by adjusting the treble on your pre-amp.
I did some A/B testing with this amp vs a McIntosh MC502 (late 70s solid state amp with 50 WPC) using a Marantz 3800 pre-amp. Let me tell you, this Fosi audio amplifier definitely held its own against the $700 vintage Mac! I couldn't believe it. I now use the Fosi/Marantz 3800 combo as my primary listening system.
I don't know if the Fosi actually qualifies as an audiophile-level piece of equipment, but paired with the right source and speakers, you can definitely get pretty darn close for a *fraction* of the price.
All amps list their wattage based on driving 4 Ohm speakers, since mine are 8 ohms my guess was that this amp could output at most 80 watts per channel if actual performance matches the claimed specs.
I hooked it up to my TSi 100s, and a CD player (yes I still have one of those in 2018) and started with the volume to the lowest point to see how far I would need to turn it up to get decent sound. OMG, by 1/4 of a turn, the speakers were very loud, too loud to have a conversation with someone without yelling. I only got as far as turning it up 1/2 way, and by that point it was seriously in the region where you really should have ear protection.
So my conclusion is that this tiny amp could power much larger speakers without any problem at all, it could certainly power anything that could reasonably be called bookshelf speakers, and likely many types of floor standing speakers as well.
There are other amps that are based off of the same ST Microelectronics TDA7498E chip that this amp is named after, but I couldn't find any for a better price. Like other reviewers have said, the box is tiny, that's partly why the amount of power it puts out was surprising to me.
So if you are looking for a small amp to power a couple of speakers, I don't think you can go wrong with this one especially for the price.
Top reviews from other countries
The power supply you get is rated 108W/24V. With normal 8-ohm speakers you're looking at 2x35W rms. For 'normal listening' this is plenty, but you won't get anywhere near 2x160W.
There's no hum, background hiss or thumps switching on and off. I find bass transients a little light, but not problematically so. Otherwise, it sounds really good. Edit: I added a large capacitor (22000uF/35V) to the power input, which I've convinced myself tightened up the bass. YMMV.
I found the volume knob (since others have commented on it) slightly uneven and slightly scratchy on adjustment, so I just maxed it and left it alone. I don't think it's a big deal.
All that said, in my opinion it's totally worth the money - I liked it enough to buy another.
I use it as a monitor amplifier in a home studio set-up. I play keyboard, the bass power and richness is highly impressive. The upper frequencies can sound a little glassy at times but can easily be tweaked. I use a pair of 100W studio monitors and boy can this tiddly tiny little amplifier give them some welly and a run for their money.
The Volume Control is not 100% even. The Right channel comes in sooner than the Left it then balances out a bit better - I guess the quality of the volume pot is not tops. I was somewhat worried about the quality of the connectors both the speakers and the power input connectors - they being quite small but no problems so far. The power input socket still has me thinking how can such a tiny connector handle up to 150 Watts - I guess though that if that kind of wattage was sustained for any length of time - no doubt it would burn out - but the average power put-through would only be a fraction.
Price wise it only cost about 33% of the price of my previous monitor amp. Very similar types of this amp are becoming available from China at about half the money. That said - this one comes with a guarantee - and the power supply looks to be of fairly high quality. I am happy I took a chance with this amp - so far it is doing the job I need maybe it is even a little better than my previous monitor amp that cost 3 times the price of the Fosi TDA7498E.
Reviewed in the United Kingdom on July 26, 2020
Extremely well made, very solid build and lovely minimal design - just a toggle switch and a volume knob on the brushed aluminium front panel.
Connections are very high quality, particularly the speaker terminals, with a clear plastic screw section.
The sound is staggering for such a small, cheap unit - as other reviewers have said, it is loud, detailed and articulate.
The compact size is a real plus - I have been able to free up a load of desk space by replacing an old Sony full size amp with this.
Best £60 I have spent in a long time!