SMSL H400 MK2 Fully Balanced Headphone Amplifier & Preamplifier with PLFC+ GaN Power

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/XLR Balanced, 6.35mm unbalancedPre-outputs: Balanced, UnbalancedOutput Power:Balanced:16Ω: 18Wx232Ω: 9Wx2300Ω: 1100mWx2600Ω: 550mWx2Unbalanced16Ω: 5Wx232Ω: 2.5Wx2300Ω: 260mWx2600Ω: 130mWx2SNR: 132dBDynamic Range: 132dBTHD+N: -123dB, 0.00006%(1kHz, 32 Ω)Input Impedance: 47kΩAMP output Impedance: Near 0 ΩPre-output ImpedanceBalanced: 44ΩUnbalanced: 22ΩFrequency Response: 20Hz - 100kHz(-0.5dB)GainBalanced: Low(-5.5dB) , Middle(6dB) , High(19.6dB)Unbalanced: Low(-11.5dB) , Middle(0dB) , High(13.6dB)Power consumption(EN60065): Size: 254x48x189mm(WxHxD)Weight: 2.2kg/4.85lbs