Douk Audio U3 Mini Pure Class A Headphone Amplifier HiFi Ultra-compact Home Desktop Stereo Amp for HD580/HD600/HD650 Headsets
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Estimated Delivery:Jun 10 - Jun 14
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Free Shipping & Returns: On all orders over $75
Douk Audio U3 Mini Pure Class A Headphone Amplifier HiFi Ultra-compact Home Desktop Stereo Amp for HD580/HD600/HD650 Headsets
SPECIFICATIONS
Bluetooth: No
Body Material: Metal
Brand Name: Douk Audio
Built-in Battery: No
Certification: CE
Channels: 2 (2.0)
Choice: yes
DSD (Direct Stream Digital): No
Input Type: RCA
Model Number: U3
Operational Amplifier Chips Model: NE5532
Origin: Mainland China
Output Power: 1300mW
Output Type: LINE OUT (AUDIO OUT)
Package: YES
Recommended Headphone Maximum Impedance: 501 - 600 Ohm
Type: Mini Amplifier
Not inlcude power adapter, recommend to use original high-quality power adapter above 5W.
For example: the current should be above 1A if use DC 5V while need above 0.5A if use DC 12V power adapter.
Adopting innovative circuit design, DC 5-20V wide input working voltage, the amplifier circuit can always work at a high voltage of 26V, and the background noise index is excellent. With wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range.
Adopting original TI-NE5532 classical op amp and transistor expanding current circuit, using 1300mA large current output transistor working in class A status, with ultra-low distortion, and the sound is warm and delicate, full and mellow.
Pluggable op amp socket design, convenient to upgrade different op amps and bring much DIY fun and playability for audiophiles. Smooth and mellow sound, suitable for listening to vocals or string music, classic or pop music, and even with unique charm when playing rock.
Mini size with exquisite appearance and most cost-effective, brings big surprise for all audiophiles, easily to drive most headphones in the market, providing larger power, better sound field and details, very suitable for home/office desltop audio system use.
With stong drive power, easily to drive most high-impedance headphones such as:
HD580/HD600/HD650K701/K702/Q701DT880/T70/T90SR225/SR325/RS1e
Audio input: stereo L/R RCA
Audio output: 6.35mm headphone jack (with 6.35mm to 3.5mm adapter)
Output power: ≥1300mW (32Ω)
Matched headphone impedance: 18-600Ω
Frequency response: 20-30KHz
Signal to noise ratio: ≥110DB
Max output amplitude voltage: 25V
Input voltage: DC 5-20V
Dimension(W*D*H): 67*93*30mm / 2.64*3.66*1.18in
Net weight: 169g / 0.37lb
Package weight: 310g / 0.68lb
1*U3 Headphone Amplifier
1*USB to DC Cable
1*6.35mm to 3.5mm Headphone Adapter
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.
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All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
Do you ship internationally?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
What is your return policy?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.
What are your sizing options?
All the details you love about the original—with a fresh flared block heel and modern square toe. Expertly crafted using soft Nappa leather, this essential style molds and moves with you to keep you comfortably on your feet all day (and night). This boot uses leather sourced from a Leather Working Group-approved trader. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage.