Description
Product Overview
The Neoteck HiFi Headphone Amplifier is a compact, portable audio solution designed for listeners who value fidelity and flexibility. Housed in a sleek aluminum‑clad chassis measuring 3.78 x 2.4 x 0.1 inches and weighing just 4.3 ounces, the unit combines a high‑performance DAC, a low‑noise headphone driver, and a Bluetooth 5.0 receiver. It supports headphones with impedances from 16 to 300 Ω, delivering a signal‑to‑noise ratio greater than 100 dB and total harmonic distortion of only 0.0003 %. The built‑in 1 Wh lithium‑polymer battery provides up to 13 hours of continuous playback, and a precision volume knob lets you fine‑tune output without sacrificing audio integrity.
Usage
Designed for real‑world scenarios, this amplifier excels in daily commutes, home studio sessions, and travel. Pair it wirelessly with a smartphone, tablet, or laptop to stream high‑resolution music, podcasts, or gaming audio. Connect any high‑impedance over‑ear headphones, in‑ear monitors, or compact speakers via the 3.5 mm output for an immersive listening experience. The lightweight form factor fits easily in a backpack or coat pocket, making it perfect for students, professionals, and audiophiles on the move.

Why Choose Us
Neoteck’s reputation for precision engineering is reflected in every component of this amplifier. The two‑stage gain switch optimizes signal strength, ensuring that low‑sensitivity headphones receive enough power without introducing noise. Our rigorous quality‑control process guarantees that each unit meets exacting standards for durability and performance. The rechargeable battery is protected by a smart charging circuit, extending lifespan and providing consistent power output throughout its life cycle.
Key Features
- Bluetooth 5.0 with low‑latency transmission for seamless wireless listening.
- Supports 16‑300 Ω headphones, delivering clear, distortion‑free audio.
- Two‑stage gain switch for optimal power delivery and enhanced stereo separation.
- 13‑hour rechargeable lithium‑polymer battery with volume control knob.
- Compact aluminum design, 3.78 x 2.4 x 0.1 inches, 4.3 oz weight.
FAQ
Can I use this amp with low‑impedance earbuds?
Yes, the amplifier works with a wide range of impedances, including low‑impedance earbuds, though its primary advantage is evident with high‑impedance headphones.
How long does it take to fully charge the battery?
The built‑in lithium‑polymer battery reaches a full charge in approximately 2.5 hours using the supplied USB‑C charger.
Is the Bluetooth connection stable in crowded environments?
Bluetooth 5.0 provides improved stability and reduced interference, making it reliable even in busy Wi‑Fi or Bluetooth‑dense areas.
What cables are included?
The package includes a 3.5 mm audio cable for auxiliary input, a USB‑C charging cable, and a user manual.
Does the amp support high‑resolution audio formats?
Yes, the internal DAC handles PCM up to 24‑bit/96 kHz, ensuring high‑resolution playback from compatible sources.




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