Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.
x
Sorry, Something went wrong!
Fosi Audio MD3 Portable HiFi Headphone Amp DAC Magnetic Amplifier Mini USB C Silver
✅ In stock
F
Grade
Price verified Sep 4, 2026 7:38 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
Fosi Audio
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓High-Performance Chip: Equipped with ESS ES9039Q2M flagship DAC chip and four ES9603Q amplifier chips. It boasts THD+N as low as 0.00075% and the frequency response ranges from 20 Hz to 48 kHz. Compatible with 16 to 300 Ω headphones, studio monitors, IEMs
✓Compact and portable Dac Design: Weighing just 50g and measuring 12mm in thickness, it features 100-level volume control and volume memory. Dual USB-C ports support charging and playback, 3.5mm single-end and 4.4mm balanced outputs deliver 80mW/180mW @32Ω
✓Refined Aluminum Unibody: Sandblasting and CNC dot-matrix lettering give the logo a more precise and natural appearance. N52 hign-strength magnetic leather back panel keeps MD3 attached to your phone, enhancing portability
✓LCD Display and Interactive Features: 1.28-inch circular screen supports volume control and shows playback status. Digital album includes games and animated images, supports custom images and interactive features. Vista button provides tactile feedback
✓Multi-Device Compatibility: Supports UAC 2.0 for high-res audio and UAC 1.0 for PS5/Switch. Works with iPhone 15, Android, iPad, Mac and Windows PCs
⚙️ Specifications
Chipset
DAC: ESS Sabre ES9039Q2M; Amplifier Chips: ESS ES9603Q* 4
Input
USB-C(Top): Audio Decoding/Image Transfer/Charging; USB-C(Bottom): Audio Decoding/Image Transfer/Firmware Upgrade
Output
3.5mm Single-Ended, 4.4mm Balanced
USB Audio Class
UAC 2.0, UAC 1.0
Max Sampling Rate
UAC 2.0: PCM 32bit/384kHz, DSD256(Native); UAC 1.0: PCM 16bit/48kHz
Max Output Power
3.5mm: ≥80mWx2@32Ω; 4.4mm: ≥180mWx2@32Ω
Frequency Response
20Hz-48kHz(±0.2dB)
SNR
3.5mm: ≥115dB; 4.4mm:≥116dB
Dynamic Range
3.5mm: ≥115dB; 4.4mm:≥116dB
THD+N
3.5mm:≤0.00075%; 4.4mm:≤0,00084%
Noise Floor
3.5mm:<1.7μV; 4.4mm:<2.7μV
