Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 28 - Jul 3
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Description
Oriolus BA300S New Version Portable Tube Headphone AmplifierParameters: Machine gain: +3dB 4. 4mm input and 4. 4mm output Output power: 350mW(32 load) S N: 110db THD+N: 0. 02% Playback time: 7H Frequency range: 10Hz 50KHz (+ 0. 5dB) Net weight: 165g Size: 120 x 57 x16. 5mm Weight: 0. 5kg Features: It adopts two micro tubes to amplify, current mode operational amplifier and diffused output, and 4. 4mm balanced input and output. Superior power management ensures the performance of the whole machine. The unit
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.6 ★★★★★
Based on 1924 reviews
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Product Reviews
★★★★★ 4
Nice scale
Color: Black
Works as expected, nice size. Makes a big difference when adjusting espresso extraction. I haven't used the timer. One improvement for my use would be to move the power switch from the back to the front, on the side or on the control panel.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
accurate scale
Color: Black
great product
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Best Mid Priced Scale on the Market!
Color: Black, Color: Black
Hand down the best prices scale for the price. Excellent ability to precisely dial in pour overs. I’ve been waiting a long time for a scale like this to hit this price point.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Good
Color: Black
This food scale is accurate, easy to use, and very helpful for cooking and baking.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Great Scale
Size: 3 kg - Normal Size, Size: 3 kg - Normal Size
Great quality, it’s weight precision it’s great, easy to celan, the battery life it’s god, the value for money it’s god as well, and it’s the perfect size compact and functional to many coffee preparation even Chemex 8 cup size.
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Reviewed in the United States on December 18, 2025
