SMSL H200 Fully Balanced Discrete Headphone Amplifier & Preamplifier

After-Sales Service Policy:100% Authenticity Guarantee: We guarantee that all products are genuine S.M.S.L products.12-Month Warranty: Warranty coverage for 12 months from the order date.30-Day Replacement Guarantee: If a product has a quality issue within 30 days of purchase, customers are eligible for a brand-new replacement. Repairs are not offered under this policy.24/7 Online Installation Guidance: Online assistance is available 24 hours a day, 7 days a week to guide customers through the installation process.Specifications:Balanced, Unbalanced: Balanced, UnbalancedHeadphone outputs: 4.4mm Balanced, 6.35mm unbalancedPre-outputs: Balanced, UnbalancedOutput Power:Balanced:16Ω 4W32Ω 5W300Ω 1000mW600Ω 500mWUnbalanced:16Ω 2.5W32Ω 2W300Ω 300mW600Ω 150mWSNR: 131dBDynamic Range: 131dBTHD+N: -122dB, 0.00007% (1kHz, 150 Ω)Input Impedance: 47kΩAMP output Impedance: Near 0 ΩPre-output Impedance:Balanced 44ΩUnbalanced 22ΩFrequency Response: 20Hz - 100kHz(-0.5dB)Gain:Balanced Low(-3.5dB), Middle(6dB), High(19.7dB)Unbalanced Low(-9.5dB), Middle(0dB), High(13.7dB)Power consumption(EN60065): Size: 200x47.9x174.5mmm(WxHxD)Weight: 1.2kg/2.65lbs