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Topping A70PRO Fully Balanced Headphone Amplifier

Introducing the TOPPING A70 Pro, a fully balanced headphone amplifier that takes your listening experience to new heights. Featuring the cutting-edge T'ang-ku-la Module, ultra-low noise input stage, and a whopping 17000mW x 2 output power, this powerhouse delivers unparalleled audio performance. And with the added bonus of acting as a preamplifier, the A70 Pro seamlessly adapts to your audio needs. Dive into the world of high-fidelity sound with precision control, customizable settings, and a vibrant Aurora UI—all in one sleek package.

Product Highlights

• Unprecedented high power output: 17000mW x 2
• Vanishingly low distortion
• Relay volume control
• Two gain settings
• T'ang-ku-la Module for improved performance
• Re-optimized circuit architecture
• Ground loop noise elimination
• Expandable inputs with Ext90 input expansion
• Can function as a headphone amp or preamp
• 12V Trigger for seamless device synchronization

Specs

• Max THD+N: <0.00005%
• Max SNR: 147dB
• Max dynamic range: 147dB
• Frequency response: 20Hz - 40kHz
• Max output levels: 56Vpp (low gain), 54Vpp (high gain)
• Actual noise level (A-wt): <0.6uVrms (low gain), <1.8uVrms (high gain)
• Lowest crosstalk: -133dB
• Gain: 6dB (low gain), 19.8dB (high gain)
• Output levels
• 17,000mW x2 @16Ω 
• 12,600mW x2 @32Ω 
• 6,000mW x2 @64Ω 
• 1,370mW x2 @300Ω 
• 670mW x2 @600Ω