SE-MJ591
Audiophile On-ear Headphones
To commemorate over 50 years of headphone development, Pioneer is proud to
introduce its flagship SE-MJ591 audiophile-grade headphone. Representing the
culmination of Pioneer’s investment in headphone research and development,
the SE-MJ591 combines superb audio quality and craf tsmanship in a compact
and ultra-comfortable design to offer the ultimate music listening experience.
1,000
108
dB
Max Input
Power
Sensitivity
mW
Large
Diameter
Driver
3�5
mm
5 hz40,000 hz
3.5 mm
Mini-plug
FEATURES
Carrying
Case
SPECIFICATIONS
• Newly designed 40 mm drivers featuring aerospace-
grade plastics for undistorted, powerful bass reproduction
• High-quality Aluminum diaphragm for natural, non-
fatiguing high-frequencies
• Copper-coated Aluminum wire voice coils deliver clear, life-like mid-frequencies
• Cushioned headband and earpads designed for comfort during long listening periods
• Aluminum alloy components ensure durability and provide high-quality aesthetics
• Detachable cord for durability and easy storage
• Compact, lightweight folding design for portability/travel
• Leather-type hard carrying case included
Frequency
Response
Type������������������������������������������������������������������Fully-enclosed dynamic stereo
headphones
Impedance ����������������������������������������������������32 Ω
Sensitivity ������������������������������������������������������108 dB
Frequency response�����������������������������������5 Hz to 40,000 Hz
Maximum input power ����������������������������1,000 mW
Driver units ����������������������������������������������������40 mm
Cord������������������������������������������������������������������Detachable single-sided elastomeric
coated cord, 1.2 m (3.9 ft)
SE-MJ591
Audiophile On-ear Headphones
Leather-like cushioned headband
Newly designed 40 mm driver unit
Aluminum alloy slider pate
Memory urethane foam ear pads
High-quality hinged metal hanger
and band
Matte finish with diamond-cut logo
Durable leather-like ear pad covers
Padded travel
case included
Carton Specifications
›› (W x H x D): 7.95” x 10.70” x 2.76”
UPC
›› 884938141840
›› Gross Weight: 1.4 lbs
This product is NOT compatible with the first generation iPhone, or any other device that features a recessed audio input. Specifications and design subject to change without notice. Pioneer and the
Pioneer logo are trademarks or registered trademarks of Pioneer Corporation.
(C) 2012 Pioneer Electronics (USA) Inc.