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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. .
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As an audio switcher, easily to switch between two amplifiers. perfectly with customized VU driver board. crosstalk from VU driver board, ensure clear and pure sound. without mutual interference. Supports all kinds of amplifier.
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VU4 is the original 4-channel professtional VU meter designed by Douk Audio, and designed with two display mode to satisfy more needs and get much fun and higher playability: VU Mode: display 2 groups of stereo audio input at the same time, each channel of each group corresponds to a VU meter to display the specific input audio level, easily to monitor the music level in real time. The swing of pointer of each group can also be turned off independently. EQ mode: four VU meters will show different frequency value (100Hz / 1KHz / 3.3KHz / 10KHz).Convenient to monitor the amplitude of specific frequency, just as a music spectrum analyzer to show the input level in different frequencies, very cool and amazing.
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Wired and wireless audio inputs: with stereo RCA/3.5mm AUX audio input and microphone pick up, work well with most audio devices such as phone, computer, CD players, or speakers etc., very suitable for home/office/studio to dynamically decorate your auditory feast. Excellent sound and better display: with 100K high-impedance input circuit, ensuring clean sound without any audio rendering when using line inputs. The color and light level of backlight also can be adjusted freely, perfectly match with different styles of audio device and environments.
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Introduction of VU Meter 1. Adopting LED backlight, lower consumption and longer service life. 2. Stable and reliable performance, high-precision display. 3. The lighting is uniform and full, the brightness is consistent and can be adjusted by driver board. Introduction of Driver Board 1. Inspired by classical meter drive circuit, using professional op amp. 2. Sensitivity of left and right channel can be adjused independently. 3. The brighness of backlight LED can be adjusted to provide both better visual effects and longer service. 4. Using anti-interference design to prevent the pointer bottoming when VU meter starts. Perfect DIY kits, the best choise to DIY VU meter for all kinds of headphone amp, preamp, amplifier etc.
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Seamless Audio Switching: Experience effortless audio management with four input channels. VU1-W accommodates your needs for switching between different audio sources, ensuring pure, uncolored sound. Elegant Wood Casing for Vintage Touch: The high-quality pure walnut wood casing, complementing the rhythmic pulse of the VU meters, offers a natural and warm design that adds sophistication and vintage charm to your desk audio system.
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Inspired by Nixie tube audio spectrum, Douk Audio VU9 pixie tube sound level meter integrates retro tube design and modern technology. With microphone and line inputs, also support full function adjsutments such as display mode, gain, color, speed, peak color, brightness etc., make your desktop more energetic and dynamic.
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