Meze Audio 109 PRO Primal A special edition, with hand-carved ear cups, chiselled groove by groove
and delicately sanded, before having a coat of linseed oil applied.; 
Dynamic open-back circumaural headphone; 
Driver features the 109 series Dual Membrane Diaphragm - a combination
of Beryllium-coated polymer, cellulose + carbon fiber composite and copper-zinc alloy;
Easy to drive from most devices, from portable sources to full home setups;
Dark walnut wood earcups, zinc, manganese steel, vegan leather headband
and soft velour earpads for a comfortable, lightweight, yet highly durable
structure.
Transducer Size: 50 mm
Frequency Response:  5Hz - 3 0KHz
Sensitivity: 112 dB SPI at 1 KHz, 1 mW
Impedance: 40 Ohm
Earcups: Walnut Wood
Headphone termination: 3.5 mm TRS jack
Weight: ~375 g (13 oz) without cables
Case: Hard EVA pouch
Included adapter s  :  - 6.3 mm gold-plated jack
Standard cables: - mono 3.5 mm to 3.5 mm (1/8 in), 1.5 m (4.9 in) soft TPE cable with black aluminium casings
 - mono 3.5 mm to 3.5 mm (1/8 in), 3 m (9.8 in) soft TPE cable with black aluminium casings