| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $92.67 | $90.78 | $87.94 | $84.16 | Contact US |
Heareal L4 6J5 Hifi Tube Preamplifier Bluetooth Receiver BT5.0 Headphone Amp for U Disk SD Card
Features:
- Bluetooth tube preamplifier
- Support AUX wired and wireless Bluetooth input. Support operations via buttons and remote control
- Stable Bluetooth 5.0 reception: 44khz/16bit CD-level standard
- Support U disk and SD card to play music: Supports audio files in lossless formats including WAV, FLAC, APE, etc. Supports U disk/SD card with a maximum memory of 128GB
- Treble, Mid, and Bass knobs to adjust freely as you like
- Two audiophile tubes: Soft and warm tube tones that are transparent, powerful and more endearing. Tubes can be replaced by other tubes, such as 6K4, 6J1, 5654, etc.
- With 3.5mm headphone jack, it can be used as a headphone amp. Dual RCA output ports and 3.5mm headphone jack for simultaneous output
- Chip management and high-end power supply: CCC/UL/FCC certification ensure quality. Anti-shock surge and 90-264V wide design; stable output and abundant kinetic energy. Multiple protections including over-current protection, power protection, over-temperature protection, magnetic field protection, electrostatic protection, low-voltage protection, short-circuit protection and over-voltage protection
Specifications:
- Working voltage: DC12V
- Frequency Response Range: 20Hz-20kHz (±3db)
- Audio input: Bluetooth 5.0/RCA/U disk/SD card
- Audio output: RCA/3.5mm headphone jack
- Signal-to-noise ratio: ≥110db
- Distortion: 0.05%a
- U disk/SD card supported formats: MP3/WMA/APE/FLAC/WAV, etc.
- Headphone impedance: 16-64Ω
- Headphone maximum output power: 100mW (32Ω load)
- Output sensitivity: 0.775V
- RCA output level: 1.4Vrms
- Gain (for Treble, Mid, and Bass): ±6db
- Product size: 117*126*35mm
- Product net weight: 0.42kg
Package Included:
- 1 x Main Unit
- 1 x Power Adapter
- 1 x Remote Control
Note:
- Other items pictured are not included, for demonstration purposes only. Thank you for your understanding!
