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Description
FSR 25 Watt per Channel 8 Ohm Stereo AmplifierThe IT A25 S8 25 Watt per Channel 8 Ohm Stereo Amplifier from FSR delivers a 25 watt per channel output at 8 ohms and can be bridged to drive a 4 ohm load at 50 watts. The amp supports pro and consumer audio input levels. The IT A25 S8 features a small size and modest amplifier output that's ideal for small venue audio power applications. The unit includes surface mounting brackets and self adhesive rubber feet and hardware. An optional rack mounting
The IT-A25-S8 25 Watt per Channel 8 Ohm Stereo Amplifier from FSR delivers a 25 watt per channel output at 8 ohms and can be bridged to drive a 4 ohm load at 50 watts. The amp supports pro and consumer audio input levels.
The IT-A25-S8 features a small size and modest amplifier output that's ideal for small venue audio power applications. The unit includes surface mounting brackets and self adhesive rubber feet and hardware. An optional rack mounting kit is also available as an additional purchase.
The amplifier is designed for use in boardrooms, classrooms, houses of worship, staging and rental, control rooms, libraries as well as other venues where a compact and low power amplifier are required.
- Supports pro and consumer audio input levels
- Low wattage and small size designed for small venue power applications
- 25 Watts RMS per Channel output @ 8 ? or bridged to 50 Watts mono @ 4 ?
- Signal Sense trigger for sleep and wakeup
- Music and alarm muting capability
- Includes external power supply
In the Box
FSR 25 Watt per Channel 8 Ohm Stereo Amplifier
- External Power Supply
- Limited 3-Year Warranty
| General | |
|---|---|
| LED Indicators | Power On Standby Clip |
| Operating Temperature | 32 to 104� (0 to 40� C) |
| Cooling Design | Convection |
| Enclosure Material | Metal |
| Turn-On Time from Auto Power Down | 25 ms (Typical) |
| Time to Enter Mute State | <1 ms |
| Time to Exit Mute State | 30 ms |
| Amplifier Class | D |
| Dimensions (W x H x D) | 4.22 x 1.59 x 6.81" (10.72 x 4.04 x 17.30 cm) |
| Weight | 3.4 lb (1.54 kg) |
| Audio Input | |
|---|---|
| Number of Inputs | 1 , Stereo balanced |
| Connector | 5 position pluggable screw terminal |
| Maximum Analog Input Level | 7 Vrms, +16.9 dBV balanced/unbalanced |
| Input Impedance | 20 k ? balanced/unbalanced |
| Input Signal Detection Threshold | 10 mVrms, -40 dBv (for Auto Power Down) |
| Audio Output | |
|---|---|
| Connector | 4 position pluggable screw terminal |
| Power Output | 25 Watts / RMS x 2 @ 4 to 8 ? or 50 Watts / RMS Bridgeable, Mono mode |
| Signal Output | Stereo, 2 Mono, Bridgeable in Mono mode |
| Load Impedance | 4 to 8 ? |
| THD + Noise | 0.5 % @ 1 kHz, 25-W 8 ? |
| Frequency Response | 20 Hz to 20 kHz, +0 , -1 dB |
| Signal to Noise Ratio | >90 dB @ 25-W 8 ?, 20 Hz to 20 kHz, un-weighted |
| Control Adjustments | |
|---|---|
| Control Switch | Master Gain Control Auto Power Down Stereo / Mono (L+R sum) Pro / Consumer (+12 dB) Unity / +12 dB Gain |
| Remote Muting Input | Dry contact closure required |
| Power Requirement | |
|---|---|
| External Power Supply | 100 to 240 VAC |
| Power Input Requirement | 24 V DC @ 2.4 Amps |
| Power Consumption (max power) | ? 58W |
| Standby Power | ? 1 Watt |
| Idle Power | ? 3.5 Watt |
| Packaging Info | |
|---|---|
| Package Weight | 3.1 lb |
| Box Dimensions (LxWxH) | 13.7 x 6.1 x 5.4" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 4
Using this to power up some old Fisher speakers I restored.
Style: R-S202BL, Configuration: w/o Wire and Plug
This amp has the ability to provide and easy 100 watts per channel. Looks nice, no frills but nice chills when it pumps up the volume! This volume is a little bit to get use to but this is my only con is you have to keep turning and turning to get the sound where you want it. I like the old style when you turned it a tad to get volume. The sound is robust. Bluetooth is a nice touch when streaming your music wirelessly for long hours of play back with Pandora, YouTube etc. Radio is strong and AM is good. The display is easy read and you can lower the brightness too. I use an old Zen M 60GB to provide the tunes to this beast. I bought this with the Amazon Renewed listing and am very much impressed for this unit looked completely new and untouched. I am using this to power some vintage Fisher speakers from the late 60's which this does perfectly. The new 15 inch woofers installed really make a difference but the rest of the cabinets (excluding new cloth on the grills, poly fil, seals etc.) sound amazing after all these years. My dad had these in his garage which he passed away on July, 26, 2019 so this was for him in his memory. A big thanks to Amazon and Yamaha for the power to run them again. (Pictures of the restored Fisher speakers and receiver)
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Reviewed in the United States on September 5, 2019
★★★★★ 5
The way music should be played
Style: R-S202BL, Configuration: w/o Wire and Plug
First, I am an audiophile and have a $25K audio/video setup in our theater room. I bought this receiver for our bedroom when the old AVR we were using finally died. The Yamaha R-S202BL is a great 100w, no frills, stereo receiver. Beautiful, pure stereo music reproduction with no surround decoders/sound field programs to ruin audio reproduction. Old school Treble, Bass, and Balance controls on the remote (love it!). Bluetooth connected to our phones in seconds and works flawlessly. Used an inexpensice DAC ($20) to connect TV's digital optical output to Line 1 inputs in the R-N202. It works perfectly and TV sound is great. Also use the receivers speaker B outputs to connect to a small 10" subwoofer. That also works just fine. I can't say enough good things about this little receiver. Highly recommended!
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Reviewed in the United States on November 24, 2021
★★★★★ 5
Solid unit, not showy 9thank you)
Style: R-S202BL, Configuration: w/o Wire and Plug
FAST!! shipping, complete, well packaged, excellent price for Yamaha durability. Easy hook-up, normal sized manual (thanks again!). Smile, intuitive controls. Base and treble by front-panel pots. I would have paid extra for a lighted remote.
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Reviewed in the United States on July 7, 2024
★★★★★ 5
sounds good
Style: R-S202BL, Configuration: w/o Wire and Plug
good stereo for a good price
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Reviewed in the United States on August 17, 2025
★★★★★ 1
This item was sold at a NEW price and it was CLEARLY USED.
Style: R-S202BL, Configuration: w/o Wire and Plug
Unfortunately I really didn’t get to operate this item due to the fact that it didn’t work. After I connected my speakers and plugged it in, I turned on the power switch and the lights came on, but no sound. No discredit to Yamaha, nor the item... this is on the seller.
It was sold at a new price and it was clearly a used item. Upon opening the box, I noticed :
1. The power cord was wrapped with a dirty, pink hair band.
2. The unit was not in plastic like a new item.
3. The FM antenna was missing.
4. The remote had old, used batteries in it.
This should not have been re-sold.
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Reviewed in the United States on February 9, 2021