1. Dual CS43131 Flagship Decoding Chips Unlock More Music Details And Accurately Restore The 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 , Always With You. 4. Ds2 Advanced Portable Decoding Headphone Amplifier 5. Outputs Powerful Power Up To 500mW@32, Bringing Excellent Music Performance While Being 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: 16-300 6. Distortion: 0.0001% 7.NOISE: 1uv 8.SINAD: 109db Balanced output 1.Output power: : 510mw(320) 2. Frequency response: 20-20khz 3.Signal to noise ratio: 130dB 4.Dynamic range: 130dB 5. Terminal impedance: 16-300 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.