Neumann NDH 20 Studio Heaphones

Neumann NDH-20 studio headphones in excellent condition, works and sounds as it should. Has some scuffs from being used but nothing that affects functionality.

Acoustic principle: Dynamic Closed

Wearing style: Headband

Foldable: Yes

Ear coupling: Circumaural

Transducer diameter: 38 mm (1 1/2″)

Transducer magnet: Neodymium

Diaphragm material: Duofol

Transducer protection: Cloth covered grille

Nominal Impedance: 150 Ohms

Frequency response: 5 … 30,000 Hz

Sensitivity at 1 kHz/1 Vrms: 114 dB SPL (1 kHz, 1 Vrms)

Max input power handling: 1000 mW

Continuous input power handling: 200 mW

THD at 1 kHz and 100 dB SPL: <0.10%

Sound isolation: >34 dB (>4 kHz)

Cable entry: Single sided, right ear cup

Connectivity: 3.5 mm (1/8″) TRS jack plug (straight), adapter for 6.3 mm (1/4″)

Cable length: Spiraled 1.5 – 3.0 m (5′ – 10′)

Cable weight: Spiraled 100 g (3.5 oz)

Ear cup contact pressure: 5.5-6.8 N

Weight excluding cable: 390 g (13 3/4 oz)

Detachable cable: Yes

Replaceable earpads: Yes

Materials – headband: Spring steel strip, aluminium and plastic fittings, plastic trimming

Materials – ear cups: Aluminium

Materials – ear pads: Cloth covered memory foam

Operating conditions: +10° C to +40° C (+50° F to +104° F); <90% RH, non-condensing

Transport/storage conditions: -25° C to +70° C (-13° F to 158° F); <90% RH; non-condensing

Packed dimensions: (height x width x depth), mm 245 x 255 x 85 mm (9 5/8″ x 10″ x 3 3/8″)

Packed weight: 1.22 kg (2 lbs 11 oz)

Packed cube: 0.005 m³