Audio GR40 Amplifier Tube Preamp and Headphone Amp …, North-Eastern Islands

Multifunctional Preamplifier: The GR40 is a versatile tube preamplifier and headphone amplifier in one, it supports Bluetooth/USB/Optical/Coaxial inputs and active speakers/3.5mm headphone output, with a priority mode for headphones
High-Resolution Decoding: With the ES9028Q2M chip, the preamplifier offers superior audio quality and flexibility. The USB sampling rate supports 32Bit/384kHz and DSD256, making an effective noise reduction to lossless audio every time
Advanced Bluetooth with Low Latency: Featuring the QCC3031 Bluetooth module, it supports , -HD, and -LL codecs to provide detailed and clean audio sound. Also, you can get a relaxed experience with low latency when watching movies
Compact yet Capable: With its compact form and a combination of preamp volume, , and treble controls, the stereo preamplifier produces a sweeter, more organic sound while preserving the midrange and treble frequencies that make music.
User-Friendly Design: The digital-to-analog audio converter GR40 is designed with user convenience at its core, allowing you to toggle between different audio inputs and restore Bluetooth-a real Plug-and-plug preamplifier without any driver.

Highlight:
Input:Bluetooth, USB, Optical, Coaxial
Output:, 3.5mm Headphone Output
Channel:2.0
SNR: equal 103dB
Dynamic Range:104dB
Headphone Impedance:32Ω-300Ω
Headphone Outout Power:
300mW@16Ω250mW@32Ω
50mW@250Ω
40mW@300Ω
Frequency Response:20Hz-20kHz(±1dB)
Sampling Rtae:PCM 32bit/384kHz; DSD256
Bluetooth Version:5.1
Bluetooth Connection Distance: equal 10m
Bluetooth Transmission Format:, AAC, , HD, LL
Voltage Range:100-240V
Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines, and so on.
Voltage:AC100-240V
Color:Black
Material:Metal

Package Contents:
1 * GR40 Amplifier
2 * 5725W Vacuum Tube
2 * Decorative Ring
1 * Power Adapter
1 * Bluetooth Antenna

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.