Douk Audio Vacuum Tube Preamp: Headphone Amp with VU Meter, 4-Way RCA Selector Switch Box, Preamplifier with Tone Control for Receivers, Amplifiers, Speakers, 16-600 Headphones (TUBE-T5C)

Tube Preamplifier with 4-Way RCA Selector and Splitter: Effortlessly manage up to four high-fidelity audio sources, such as CD players, DACs, Blu-ray players, and streamers, without the need to swap cables. The optimized 180V tube circuit and metal-shielded, isolated power supply deliver cleaner, interference-free signals for your home stereo receiver and speakers. High-Fidelity Tube Headphone Amplifier: Provides up to 500mW of pure tube power, easily driving headphones with an impedance of 16-600, compatible with models including the Sennheiser HD600/650 and Beyerdynamic DT 990 Pro. Enjoy rich, dynamic sound with adjustable bass and treble controls (±6dB) for personalized tonal adjustment. Classic VU Meter and Premium Glowing Tubes: Enhance your listening environment with the captivating dual-channel VU meter and the warm glow of authentic vacuum tubes. Complemented by customizable RGB lighting, it creates an immersive retro atmosphere ideal for audiophiles in any home stereo or studio setup. Ultra-Low Noise Signal Purity: Designed for audiophile-grade clarity, the isolated power section with complete metal shielding significantly reduces interference. Simple Customization: Easy Op-amp and Tube Upgrades: Discover endless sonic potential with user-friendly pluggable sockets. You can easily exchange the included NE5532 op-amp for higher-performance dual op-amps such as the 2134, 2604, 5532, 2068, or muse02. Alternatively, replace the standard ECC83 tube with premium options like the PSVANE 12AX7-S, Shuguang 12AX7B, or 7025 to customize your personal listening experience