KNOKR Buffer HiFi 6J5 Bluetooth 4.2 Tube Preamp Amplifier Stereo Preamplifier With Treble Bass Tone Ajustment Operational Amplifier Chips

Amazing direct heated tubes design this type features excellent characteristics, greater control ability and linearity, much ultra-low distortion, more transparent sound and little background noise. The sound is full of space sense with rich details, extended and delicate high frequency, full and mellow mid frequency.

High-Resolution USB DAC The CM6642 chip supports 24bit 192KHz playback, compatible with Windows, Mac, and Linux systems, and matches well with various audio devices including iPods, phones, MP3 players, TVs, and CD players.

HiFi Sound Quality Vacuum tubes filter out digital sounds, enriching the audio with warmth, sweetness, and an expansive sound field, providing a more immersive listening experience.

Adopting classical TPA3116 chip, the max output power is improved to 100W(50W*2) which can drive most home speakers. HiFi clear and delicate sound, no audible noise even at high power output.

Perfect Blend of Vintage and Modern The P1 PLUS boldly reimagines the appearance of HiFi audio equipment. It integrates pluggable VU meters, retro military-grade vacuum tubes, and a crystal-clear OLED screen. Not only does it add warmth to the sound, but it also vividly shows the dynamic changes in the audio signal, allowing you to immerse yourself in a vibrant audio-visual feast as you delve into the HiFi world.

Tone Control for HiFi Clarity Fine-tune your audio experience with adjustable treble and bass knobs, delivering music with crisp highs and resonant lows. The bypass function allows you to enjoy the unaltered, original sound directly from your source.

MM phono input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. 3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality.

Compact and Attractive Appearance Integrated aluminum case with crystal speaker jacks, multifunction decoding knob and dynamic volume LED display, this unique design makes it beautiful and practical as well; 5 fashionable colors for you freely to choose.

Transfer 2.0 channel input to 5.1 channel output with built-in multi-channel signal process chip and circuit, which applies professional algorithms and dynamic separation techniques. Even when input 2.0 channel audio signal, it can also auto allocate and simulate to 5.1 channel and provide excellent smart noise reduction, precise sound positioning and stereo surround sense.

12-month warranty. Prompt and courteous customer service. For any questions you have, please feel free to contact us. We will get back to you within 24 hours.

Designed for MM Turntables The T3 phono preamp is specifically designed to convert phono signals to line level signals for home MM (moving magnet) turntable record players, enhancing your listening experience.

9-band EQ equalizer With independent and rich frequency band control (20Hz 60Hz 125Hz 250Hz 500Hz 1KHz 2kHz 6KHz 16KHz), within -6dB to +6dB range. With 2 groups of RCA inputs and outputs, without plugging in and out cables repeatedly.

Multiple inputs and higher compatibility with Bluetooth 5.2 RCA MM phono inputs, compatible with most audio devices such as turntables, phones, computers, tablets, TVs, CD players etc. Besides banana speaker outputs, a 3.5mm AUX output is added to connect another amplifier or active speaker subwoofer to build 2.1 or multi-channel audio system.

Dual-Purpose PBTL SUB Switch Versatile operation allows the G2 PRO to function as either a full-frequency amplifier or a subwoofer amplifier. A dedicated SUB output is specially designed for active subwoofers, with compatibility for both passive and active subwoofers. Additionally, two G2 PRO units can be utilized to independently drive left and right channels, minimizing channel interference.

Wireless Connectivity Easily pair with Bluetooth devices (like phone PC iPad); an external antenna ensures a robust signal for seamless music streaming.

High power and AC DC input Rated 40W 2 output power, supports speakers with 4-16 ohm impedance. Equipped with DC 12V or AC 90-240V input, it is more practical and adapts to various occasions such as home car boat.

Updated Version Simplified circuit, upgraded components, and improved sound quality for an enhanced listening experience.

DIY Upgradeability Pluggable op amp socket design allows for easy upgrades to different op amps, offering DIY fun and enhanced playability for audiophiles and sound enthusiasts.

Mini size with exquisite appearance, aluminum alloy case and gold-plated terminals are fashionable and durable, with input switch and indicator, very suitable for home and desktop audio system use.

Support Bluetooth Hi-Fi wireless connection user top British brand CSR 5.0 Bluetooth module, ensuring high-quality audio transmission.