Beyerdynamic DT 1770 Pro 250 Ohm Studio Recording Headphones w/Tesla Driver Bundle with Mackie HM-400 Pro Rackmount 4-Channel Headphone Amplifier w/12 Headphone outputs

Beyerdynamic DT 1770 Pro 250 Ohm Studio Recording Headphones w/Tesla Driver Bundle with Mackie HM-400 Pro Rackmount 4-Channel Headphone Amplifier w/12 Headphone outputs, Brought to you By BEYERDYNAMIC.

Mackie HM-400 Pro Rack-Mount 4-Channel Headphone Amplifier with 12 Headphone Outputs. L/R Main stereo inputs plus L/R stereo outputs. 7 Segment LED metering per channel plus main. 3 headphone outputs per channel. Aux input on each channel with balance control to mix main and aux signal. Mute and stereo/2-channel mode switches per channel. 12 total headphone outputs

Soft, replaceable ear and headband pads. Gold-plated mini stereo jack plug (3.5 mm) & 1/4″ adapter (6.35 mm). Circumaural headphone for high-end studio use. 250 Ohms, 45 mm dynamic Tesla neodymium driver. Rugged headband made of spring steel. Single-sided, detachable cable with mini-XLR. Made in Germany. Specifications: Transducer type: Dynamic. Operating principle: Closed

Sound coupling to the ear: Circumaural. Ambient noise attenuation: Velours: approx. 18 dBA. Nominal headband pressure: approx. 7.2 N. Weight (without cable): 388 g. Length and type of cable: 3 m / straight cable or 5 m / coiled cable (stretched), each detachable with 3-pin mini XLR cable connector, single-sided. Connection: Gold-plated mini stereo jack (3.5 mm) & 1/4″ adapter (6.35 mm). Features:

Package Includes: (1) Beyerdynamic DT 1770 Pro 250 Ohm Studio Recording Headphones w/Tesla Driver. (1) Mackie HM-400 Pro Rackmount 4-Channel Headphone Amplifier w/12 Headphone outputs. Beyerdynamic DT 1770 Pro 250 Ohm Studio Recording Headphones w/Tesla Driver. Closed premium studio headphone. Rugged headband made of spring steel. Single-sided, detachable cable

Nominal Impedance Headphones: 250 Ohms. Headphone Frequency Response: 5 – 40,000 Hz. Sound Coupling To The Ear: Circumaural (Around The Ear). Ean: 4010118710711. Cable & Plug: 3-Pin Xlr Plug & 6.35 Mm (1/4″) Stereo Jack Plug. Nominal SPL: 102 dB SPL (1 mW / 500 Hz). Max. SPL: 125 dB SPL (200 mW / 500 Hz). T.H.D: < 0.05% (1 mW / 500 Hz). Nominal power handling capacity: 200 mW