Pioneer's Great Sound and Distinctive Styling Make the QL2's Ideal for All Your Listening Needs Sound Quality: - Aluminum housing reduces vibration for clear, tight sound - Powerful 10 mm dynamic driver - Deep, controlled bass and clear mid-range for beautiful vocals - Gold-plated stereo mini-plug preserves signal fidelity Headphone Design: - High-texture alumite-finish for aluminum housing - Alumite- and spin-processed accents on earphone housings - Four color options with color-matched cables, earphones, and earphone tips - Compact in-line mic with call accept/end function - 1.2 m (4 ft.) cable with gold-plated 3.5 mm (1/8") 4-pole stereo mini-plug - Three silicon earphone-tip sizes to fit any ear (S/M/L) Specifications & Accessories: - Type: Fully enclosed dynamic headphones - Driver: ? 10 mm (13/32") dynamic driver - Impedance: 16 ohms - Frequency response: 4 Hz-22 kHz - Sensitivity: 101 dB - Max. input power: 100 mW (JEITA) - Weight: 4.5 g (0.49 oz.) not including cable - Cable type: 1.2 m (4 ft.) with 3.5 mm (1/8") 4-pole stereo mini-plug - Supplied with S/M/L silicon earphone tips, user manual, and warranty card What's in the box Supplied with S/M/L silicon earphone tips, user manual