Designed for critical studio reference, the flagship Z55s deliver exceptional tonal balance and imaging with superior detail. Genuine lambskin cushioning, exceptional lightweight components and rugged, collapsible construction complete a superior fatigue-free listening experience. Features include: · Ideal for professional recording, mixing and studiophile music monitoring · Tuned for exceptional balance, detail and spacious soundstage · Lightweight, low profile design with genuine lambskin ear pads · Collapsible, closed-back design with 90-degree rotating ear cups · Premium 45mm drivers with rare earth magnets · 10Hz-25kHz frequency response · Detachable 8-foot straight, 4 to 10-foot coiled and 4-foot straight with microphone and call/answer control cables · 1/4-inch adapter and protective carry pouch included