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User Manual of Douk Audio VU3PRO
Warm tips
- Two groups of Speaker 1 and Speaker 2 can output at the same time.
- The VU meters won't work normally if the speakers output of VU3Pro isn't connected to the speakers. If you only want the VU meters function, please choose MIC input.
- Don't connect VU3PRO to amplifiers whose actual output power is greater than 350W, otherwise the VU meters may be damaged.
- For safer and faster delivery, the remote control may not include batteries (AAA*2), please prepare it yourself.
- VU3 Pro Amplifier/Speaker Selector: The fully upgraded version of VU3, with great improvements in size, functions and performance. 2-IN-2-OUT (Two groups of speaker jacks support output at the same time), flexible to switch and make a comparison between 2 amplifiers and 2 pairs of speakers, no need to plug in and out cables repeatedly to avoid wearing the contact point of the sockets.
- Max. 350W Power Transmission and Super Compatibility: With the growing popularity of high-power amplifiers, the power requirements for switchers have also increased. With a maximum pass-through of 350W, the VU3Pro supports various types of high-power digital and tube amplifiers (BTL, Class A, Class B, Class AB, Class D, etc.), including 300W TPA3255 amps and floorstanding speakers.
- Custom-made Large and High-playability VU Meters: The VU3Pro features dual large VU meters and a bigger chassis, perfectly compatible with more audio devices in size. It offers 35 backlight colors and 5 brightness levels to suit various scenarios. Additionally, it supports 20 levels of gain and 30 levels of sensitivity adjustments, ensuring perfect alignment with different audio signals and allowing you to enjoy the vibrant audio-visual feast.
- Wired/Wireless Inputs and Easy to Use: VU3Pro adds mic pickup, just put it near your audio system, clear indicators in two warm and vintage VU meters will strikingly show every beat of music and dynamically activate your audio feast. With a button and remote control, effortlessly switch most settings at your fingertips and simplify the process of A/B comparison, and all settings will be saved after shutdown.
- Premium Components for the Purest Sound Quality: VU3Pro integrates AC 250V 5A large current relay, isolated and high precision HL current sensor, built-in high-power load resistors to protect class A tube amplifier from damage when no load, solid CNC aluminium alloy panel and metal chassis, large pure copper speaker jacks etc., ensures virtually no impact or loss in sound quality and allows you to enjoy the purest high-fidelity sound.
- Brand: Douk Audio
- Model: VU3Pro
- Diameter of VU meter: 85*45mm
- Audio input/output: 2 groups of banana female
- Working mode: 2-IN-2-OUT
- Max. through power of each channel supported (in acutal):
350W@4Ω
200W@2Ω - Amplifier type supported: all kinds of types (BTL/Class A/Class B/Class D digital amp/tube amp)
- Amplifier no-load protection: support
- Frequency response: 30Hz-20kHz
- Backlight color: 35 kinds of color selection or automatic change
- Backlight brightness: 5 levels (Off-30%-50%-80%-100%)
- GAIN: 20 levels
- Sensitivity: 30 levels
- MIC pick-up: support
- Remote control: support
- Settings saved after shutdown: support
- Working voltage: DC 5V ≥2A
- Power interface: Type-C
- Dimensions (W*D*H): 268*155*75mm / 10.55*6.10*2.95in
- Package dimensions (W*D*H): 380*220*95mm / 14.96*8.66*3.74in
- Net weight: 1.61kg / 3.55lb
- Package weight: 2.00kg / 4.41lb
- VU3Pro ×1
- Power Adapter ×1
- Remote Control (without battery) ×1
- USB Cable(type-c) ×1
Hear What They Say about the K5
@United States of Analog
JP Skip navigation Create Avatar image NEW! VU3 Pro has the BIGGEST, BRIGHTEST VU Meters, and it's A SWITCHER, TOO! From DOUK AUDIO!!!
@Old Guy Hifi
The Douk VU3 Pro offers great switching flexibility and it HAS METERS! Big colorful METERS!
@UTILITARIAN TV
UPGRADED Douk Audio VU3 PRO
Vintage Design, Lossless Sound
Based on VU3 released 3 years ago, Douk Audio VU3Pro made many improvents in the size, functions and performance cater to our users' feedback.
- Supports up to 350W per channel with a high-quality DC5V/2A power adapter.
- Expanded VU meters and chassis size, allowing simultaneous output from two speaker sets.
- Added microphone pickup functionality and customizable backlight color.
- Features separate gain and sensitivity adjustments for enhanced control.
Premium Components and Materials
Large-current Relays
AC 250V 5A relays, easily connect all amplifiers and speakers and achieve lossless output even if high power passes through.
510Ω Built-in Load Resistors
Metal wire winding, protect amplifiers from damage when no load, ensuring its stable operation and long service life.
Hall Current Sensor
Fully isolated and high precision sensor to detect the current of audio signals, ensuring clear and pure sound.
High-quality Terminals
Large gold-plated pure copper speaker jacks and with more space, providing easy and quick connections.
Does a great job. I like the display and haven't noticed a change in sound quality. I would recommend to those people wanting to switch back and forth between 2 audio systems.
Douk Audio VU 3Pro works very well and looks great, thank you for I am very pleased that I purchased this switcher amplifiers, that Receiver. Pozdrawiam Regards Janusz J.
Very cool.
I like it although I wish it had a on/off switch since it's always on if it's plugged.
I had the previous Douk version. The new model has several improvements besides the larger VU meters. The previous version was sensitive to the high frequency oscillation from the class D amplifier. It was fixed on the new model.Good product. Recommended.