| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $61.90 | $60.63 | $58.74 | $56.21 | Contact US |
VOL-65U Bluetooth5.0 Electronic Tubes Preamplifier Lossless Audio Player with 12V 2A Power Adapter
Description:
- Mobile phone Bluetooth connection supports all kinds of mainstream players Bluetooth audio push high-gain antenna, the signal is more stable, no lag and clearer.
- The ceramic tube base embraces the anti-oxidation pure copper socket with a large contact area, good skin effect, strong conductivity, and can avoid metal fatigue problems even at high temperatures.
- The ES9023 audio decoding chip has lossless input, and decoding is a memory process reproduced on the spot. A good audio source plus good decoding will result in a happy experience for one ear.
- TL072C op ampx4 combines pre-amplification and tone adjustment to make the sound richer, the tone is warm and mellow, the sound quality is clear and transparent, the listening experience is delicate and soft, and the treble is stretched and calm.
- High-speed lossless 5.0 audio Bluetooth is compatible with the Bluetooth connection playback of 99% of mainstream devices for Android and Apple mobile phones, iPads, players, TVs, computers, and others on the market.
Specification:
- Electron tube: 6J3 (can be replaced with 6*5/6J1/6J3/6J5/6K4/6AH5/6AN5)
- Bluetooth version: HD 5.0
- Support agreement: SBC
- Audio input: RCA/BT/USB/TF Card
- U disk/TF Card lossless format support: MP1/MP2MP3/WMA/WAV/APE/FLAC
- U disk/TF Card capacity support: maximum support 128GB
- U disk/TF Card sampling rate: 44.1 ~ 48khz 16Bit
- PC-USB sound card sampling rate: 44.1 ~ 48khz 16Bit
- Audio output: RCA + 3.5mm headphone jack, synchronous output
- Output level: 2V at 1khz
- Headphone impedance: 16-300Ω
- Frequency response range: 20hz-25khz (±3dB)
- Distortion: 0.1%
- Signal-to-noise ratio: ≥98dB
- Power supply: DC12V (5.5x2.5mm)
- Size: 133 x 128 x 38mm (width x depth x height)
- Net weight: 503g
Package Included:
- 1 x Electronic Tube Amplifier
- 1 x 12V 2A Power Adapter
Note:
- Electronic tubes 6J5/6J3 are randomly shipped.
- The USB flash drive and TF card displayed in the pictures are not included.
