destrozer 0 Report post Posted July 9, 2013 Selling below headphone amp used set, working condition and come with orginal package included. Condition: Mint and working condition (warranty over) Alpha Design Labs Stride Portable Headphone Amplifier - Black Bought over from forumer. Selling because upgraded. PM me if interested! Technical Specifications: Output Jack: 3.5mm Phone Jack x 1 Headphone Output Level (Max.): 1%THD 1kHz 78mW (12 ohm) 94mW (16 ohm) 110mW (32 ohm) 98.6mW (56 ohm) 23mW (300 ohm) 16mW (600 ohm) Frequency Response: Line in: 20Hz~20kHz (±0.5dB) headphone output USB in: 20Hz~20kHz (±0.5dB) headphone output Channel Separation: 60dB (1KHz) Total Harmonic Distortion: 0.02% (Line Input 1KHz) Input Jack: Line In (3.5mm switched Phone Jack) x 1, USB In (mini B type) x 1 Signal to Noise Ratio: Line in: 100dB (A-Weighted) USB in: 96dB (A-Weighted) DAC Chip: WM8716 192kHz/24bit USB Chip: TE7022L 96kHz/24bit Power Supply-1: DC5V , 2000mA , 10W Switching Power Adapter Music Playback Time: Up to 80 hrs when charged (approx. 5 hours) Power Supply-2: DC3.7V, 940mAh Li-ion Type 14650 Rechargeable Battery Dimensions: 65 (W) x 120 (D) x 28 (H) mm Weight: 190g approx. Share this post Link to post Share on other sites