ET30 VU Meter Amplifier Speaker Selection Switch Box, 2-in-2 Output Retro Switcher, Featuring DB Panel Display and Battery-Free Remote Control, Suitable for Stereo A, B, AB, Class D, and Tube Amplifie

Retro Aesthetic Crafted for AudiophilesThe ET30 Amplifier Speaker Selector features an all-metal chassis and vintage design, complemented by warm VU meters. Its yellow backlighting evokes a nostalgic vibe, making it ideal for diverse setupsperfect for audiophiles with multiple amplifiers or speakers.

VU Meter DisplayEquipped with dual 85×45mm large meters featuring adjustable 5-level brightness and 34 color options, dynamically enhancing your audio environment. Switching audio signals delivers unparalleled visual effects. The warm VU meters and clear indicator lights offer a retro yet vibrant look.

Audio SwitcherEffortlessly switch between two amplifiers and two pairs of speakers without repeatedly plugging/unplugging cables, preventing socket contact wear. ET30 supports only standalone mode: either Speaker A or Speaker B can be activated. Parallel mode (A+B speakers operating simultaneously) is not supported. Powered by micro-USB 5V with built-in speaker protection load. Note: When no speaker channel is selected during ET30 operation, a dummy load is applied to prevent damage to Class A amplifiers.

High CompatibilityAll channels feature fully isolated design with independent GND for each channel, eliminating cross-channel interference. Seamlessly integrates with traditional Class A, Class B, Class AB, and tube amplifiers. HIFI components won't affect your system, catering to diverse audio enjoyment needs.

User-Friendly & Truly Risk-Free PurchaseSupports button and remote operation, simplifying A/B comparison testing between two amplifiers or speakers. Enables one-touch switching between two amplifiers and two speakers. Offers a 12-month trade-in program and responsive customer service to ensure lasting satisfaction, making it a long-term companion for your high-fidelity home audio system.

Note: The ET30 functions as a speaker/amplifier selector switch. Its operational state is: Speaker A operates when Speaker B is inactive, and Speaker B operates when Speaker A is inactive. Speakers A and B cannot operate simultaneously! Important: The remote control provided with our amplifier converter does not include a built-in battery.