Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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For Your Every Summer RSVP, with Code: SUMMER15
Description
FiiO New K3S Desktop Headphone Amplifier & USB DACTwo USB AUDIO modes Flagship grade PCM 384k DSD256 decoding RGB indicator light Dual headphone outs, dual digital audio outs ADC volume controlJust connect the new K3S to your computer via USB to instantly upgrade to high fidelity sound, and enjoy your music the way it was meant to be heard. Equipped with an XMOS USB receiver chip, the new K3 headphone amps is capable of decoding up to 384kHz 32 bit PCM and native DSD256 the same as many DACs costing
Two USB AUDIO modes | Flagship-grade PCM 384k/DSD256 decoding RGB indicator light | Dual headphone outs, dual digital audio outs ADC volume controlJust connect the new K3S to your computer via USB to instantly upgrade to high-fidelity sound, and enjoy your music the way it was meant to be heard. Equipped with an XMOS USB receiver chip, the new K3 headphone amps is capable of decoding up to 384kHz/32 bit PCM and native DSD256 – the same as many DACs costing much more.
The new K3's dual crystal oscillators ensure that any digital audio signals being fed into the DAC are exactly correct for further enhanced sound quality.
Hardware scheme
XMOS: XU208, DAC: ES9038Q2M, LPF: TI OPA1612, AMP: OPA926×2
Volume control
ADC analog potentiometer
Firm upgrade
XMOS edition supports upgrade via USB
Max sampling rate
384kHz-32bit/DSD256
Recommended headphone impedance
16~150 Ω
192kHz-32bit/DSD64 (coaxial)
96kHz-32bit (optical)
USB
USB Type-C (USB 1.0/USB 2.0)
Balanced headphone output port
2.5mm
Analog audio output port (LO)
Standard 3.5 mm
Headphone output port
Standard 3.5 mm
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
4.3 ★★★★★
Based on 2428 reviews
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Product Reviews
★★★★★ 5
Mosquitoes no more
Size: 1 Count (Pack of 33), Number of Items: 33, Size: 1 Count (Pack of 33), Number of Items: 33
After years of having lemon grass planted in my yard, growing nearly out of control and a pain to manage, I now have a product that is small, smells the same, is inconspicuous and is the perfect thing to have around for summer picnics, evening playtime, camping trips, hunting trips, and so much more.
Well worth the money spent!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
JTHtoothbrush I didn’t get a charging cable with my JTH toothbrush
I love the toothbrush it’s just that I didn’t get any charging cable with mine to recharge it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
★★★★★ 4
Where’s the owners manual?
I really like this. The only drawback is that there is no owners manual!
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Reviewed in the United States on April 4, 2026
★★★★★ 1
poor purchase
It only lasted 2 mo before it quit working
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Clean teeth, smart features, and convenient to use!
I’ve gone through a few electric toothbrushes over the years, and this one stands out mostly because of how practical it is day to day. The cleaning power is solid, my teeth feel noticeably smoother after each use, especially along the gumline. The different modes are useful, I mostly stick to the standard clean mode, but the sensitive option is great when my gums feel a little irritated.
The built in UV sanitizing and drying feature is something I didn’t think I needed, but now I appreciate it. It’s nice knowing the brush head isn’t just sitting there wet between uses. The included rinse cup and storage setup make everything feel more organized on the counter, which is a small but real upgrade.
Battery life has been reliable so far, and the wireless charging base keeps things simple. It also comes with multiple brush heads, which adds value, especially if you plan to stick with it long term.
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Reviewed in the United States on April 19, 2026
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