InLine D-Amp 100W Class D & Headphone amplifier, 50 W, 32 Ω, 20 - 20000 Hz, 3.5mm, AC, 93 mm InLine D-Amp 100W Class D & Headphone amplifier. Peak power per channel: 50 W, Output impedance: 32 Ω, Frequency range: 20 - 20000 Hz. Headphone connectivity: 3.5mm. Power source: AC. Width: 93 mm, Depth: 118 mm, Height: 33 mm. Cables included: Audio (3.5mm)