Bluetooth Tube Preamp Treble Bass For Wired Wireless Input VOL-65 Russian Tubes (12V Power Supply)

Bluetooth Tube Preamp Treble Bass For Wired Wireless Input VOL-65 Russian Tubes (12V Power Supply)

Features:
- Support mobile phone, TV, computer, player and other products wired connection and Bluetooth wireless connection one-click switching input selection
- Active speakers and power amplifiers can be connected to the output. Support treble and bass adjustment. Widely compatible with high and low grade audio products
- Low latency, anti-interference, zero noise level
- Compatible with various electron tubes. Suitable for 6J1, 6J3, 6J5, 6K4 and others
- Built-in installation of the electronic tube is safe and not hot. Easily insert and remove the ceramic base. (Please touch the upgrade and replacement after the tube is cooled and power-off)
- Separate two op amp designs for pre-amplification and tone adjustment, the treble and bass adjustment effect is obvious. Upgradable and plug-in dual op amp for easy replacement
- Efficient wireless Bluetooth connection, realize wireless lossless transmission to meet user needs
- Comprehensive upgrade of circuit layout
- The tube first amplifies the sound, and op amps are used as a buffer output to reduce the internal resistance
- Treble, bass tone modes can be switched
- Wired and wireless dual input, one-button switching
- All aluminum alloy shell is durable. Safety protection
- Aluminum alloy volume knob, first-class texture, non-slip rubber feet pads
- A pair of built-in electronic tubes

Specifications:
- RCA line output: 09Vrms
- Signal to noise ratio: 106db
- Distortion: 0.3%
- Treble adjustment range: ± 6db
- Bass adjustment range: ± 10db
- Frequency response: 20Hz-20KHz
- Power supply voltage requirement: 12V 2A
- Weight: 490g

Package Included:
- 1 x Set of Tube Preamp with 12V Power Supply

Note:
- It is assembled and ready to use.
- The preamp can be used with dual RCA to 3.5 headphone conversion cable, as a headphone amplifier for amplifiers. Wire must be purchased separately.
- VOL-65 is not an amplifier and does not have the function of an amplifier. Users of passive speakers, please confirm that you have an amplifier or active speakers before you can use this product.