1. Dual CS43131 Flagship Decoding Chips Unlock More Music Details And Accurately Restore The True Nature Of Music 2. Compatible With Multiple Platforms To Meet Diverse Needs 3. Provide You With Long-Lasting Performance And Excellent Sound Quality Doubling Experience, Making The Music Clearer And Deeper, Always With You. 4. Ds2 Advanced Portable Decoding Headphone Amplifier 5. Outputs Powerful Power Up To 500mW@32Ω, Bringing Excellent Music Performance While Being Lightweight And Compact. Description: Single ended output 1. Output power: SE: 130mw (32n) 2. Frequency response: 20-20khz 3.Signal to noise ratio: 130dB 4.Dynamic range: 126dB 5. Terminal impedance: 16-300Ω 6. Distortion: 0.0001% 7.NOISE: 1uv 8.SINAD: 109db Balanced output 1.Output power: BAL: 510mw(320) 2. Frequency response: 20-20khz 3.Signal to noise ratio: 130dB 4.Dynamic range: 130dB 5. Terminal impedance: 16-300Ω 6. Distortion: 0.0001% 7.NOISE: 1.6uv 8. Crosstalk: 117db 9.SINAD: 106db Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:Aluminum alloy Package Contents: 1 Set Of Decoding Amplifier (With Connecting Cable) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.