?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)

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More features

• Tube Preamp with 4-Way RCA Selector & Splitter:​​ Seamlessly manage up to 4 high-fidelity audio sources (CD players, DACs, Blu-ray players, streamers) without swapping cables, while our ​180V optimized tube circuit​ and ​metal-shielded isolated power​ deliver cleaner, interference-free signals for your ​home stereo receiver​ and ​speakers.
• High-Fidelity Tube Headphone Amplifier:​​ Unleash up to ​500mW​ of pure tube power, effortlessly driving ​16-600Ω headphones​ (compatible with Sennheiser HD600/650, Beyerdynamic DT 990 Pro etc.). Experience rich, dynamic sound with adjustable bass/treble controls (±6dB) for personalized tonal perfection.
• Vintage VU Meter & Premium Glowing Tubes:​​ Elevate your listening space with the mesmerizing dual-channel ​VU Meter​ and warm glow of genuine vacuum tubes. Enhanced by customizable ​RGB lighting, it delivers an immersive retro ambiance perfect for audiophiles in any ​home stereo or studio setup.
• Ultra-Low Noise Signal Purity:​​ Engineered for audiophile-grade clarity, our ​isolated power section​ with full ​metal shielding​ dramatically reduces interference. Combined with a ​THD ≤0.06%​​ and ​SNR ≥107dB, it ensures the cleanest possible audio signal path from source to your ​speakers or headphones.
• Effortless Customization: Easy Op-amp & Tube Upgrades:​​ Unlock endless sonic possibilities with our user-friendly ​pluggable sockets. Easily swap the included ​NE5532 op-amp​ for higher-end 2134/2604/5532/2068/muse02 ​dual op-amps​ or replace the default ​ECC83 tube​ with premium ​PSVANE 12AX7-S / Shuguang 12AX7B / 7025​ to tailor your unique listening journey.