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SMSL SA300 USB DAC Bluetooth 5.0 Hi-Res Amplifier

β˜…β˜…β˜…β˜…β˜… 4.5 rating Β· 26 reviews Β· 257+ sold
$99.00 $128.7 30% OFF
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Product Details

This is a blue S.M.S.L digital amplifier.

This was my father's personal item, and as I am not knowledgeable about audio equipment, I have not been able to confirm its operation.
Everything shown in the images is included; there are no other parts.

While there are no visible scratches or dirt, it was dusty, so I will clean it as much as possible before shipping.

If you have any questions, please leave a comment, and I will answer to the best of my ability.

Included: Main unit, AC adapter, remote control
Not included: Box, manual, USB cable

The manual can be found here:
https://manuals.plus/ja/smsl/sa300-digital-sound-amplifier-manual

High-resolution power amplifier S.M.S.L SA300, USB DAC, speaker terminals, Bluetooth 5.0 compatible.

Output: 80W+80W (4Ξ©), 40W+40W (8Ξ©)
THD+N: 0.008%
S/N ratio: 90dB
Channel separation: 88dB
Digital amplifier IC: MA12070
Max USB sampling rate: 32bit / 384kHz
apt-x support: Yes
Bluetooth ver: BT5.0
EQ settings: 8
Treble adjustment range: Β±10dB
Bass adjustment range: Β±10dB
Input terminals: Stereo RCA terminals (gold-plated), Micro USB terminal, Bluetooth
Output terminals: 2ch stereo speaker output (gold-plated terminals compatible with banana plugs), subwoofer output terminal
Power consumption: 35W (at normal volume)
Standby power: <0.5W
Dimensions: Height 70mm x Width 70mm x Depth 188mm

Category
Amplifier
Condition
No noticeable scratches or marks
Shipping
Included in price (by seller)
From
Tokyo

Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.

Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.

Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.

Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.

Customer Reviews (26)

4.5
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Based on 326 reviews
5 stars
90%
4 stars
10%
3 stars
0%
2 stars
0%
1 star
0%
M
User3238180
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2026-11-08

La calidad se ve consistente y el diseΓ±o es bonito.