Pioneer DJ is expanding its range of professional studio monitor headphones with the launch of the HRM-5s and HRM-6s.

Both models have a newly designed 40 mm driver unit, which reproduces frequencies up to 30 kHz (HRM-5) and 40 kHz (HRM-6), while the bass reflex chamber in the housing promises to give excellent bass response. The models also make for a comfortable fit thanks to a fully adjustable headband, memory foam ear pads, and pivoting housings. Plus, their folding design, detachable cables and carry case make the HRMs compact and portable.

The HRM-6s take it a step further with an HD driver and two-layer damping structure to deliver enhanced clarity, reduced resonance and fast bass response. They also feature flat ear pads to create a snug fit and improved sound insulation.

The HRM-5 and HRM-6 studio monitor headphones are available from June 2016, with a retail prices of $99.00 and $169.00, respectively.

HRM-6 AND HRM-5 HEADPHONES IN DETAIL

• The HRM-6s feature a newly designed 40 mm HD driver unit with copper-clad aluminum wire (CCAW), which reproduces high-res audio between 5 Hz and 40 kHz - while the HRM-5s? 40 mm driver with lightweight CCAW has a frequency range of 5 Hz to 30 kHz. The HRM-6s have a maximum input of 2000 mW to reduce distortion even at high volumes.
• Bass reflex chamber for accurate lows
  The bass reflex chamber in the upper housing improves airflow for great bass response and sound insulation. A large rare-earth magnet ensures clean low to mid frequencies, while the HRM-6 has an aluminum, two-layer damping structure to reduce unwanted resonance.
• Memory foam ear pads and adjustable fit
  Both models come with a 1.2 m coiled cable (3 m when extended) and a 3 m straight cable. The HRM-6s also come with a 1.2 m straight cable for use on the move.

	HRM-6	HRM-5
Type	Fully enclosed dynamic stereo headphones
Frequency range	5 ～ 40,000 Hz	5 ～ 30,000 Hz
Impedance	45 Ω	32 Ω
Output sound pressure level	102 dB	100 dB
Maximum input	2,000 mW	1,700 mW
Unit aperture	HD driver φ 40 mm dynamic type	φ 40 mm dynamic type
Ear pads	Memory foam, soft polyurethane (PU) leather covers (flat-shape), detachable type	Memory foam, soft polyurethane (PU) leather covers, detachable type
Connection cord	1.2 m coiled cable (3.0 m when extended) 3.0 m straight cable 1.2 m straight cable (L-shaped plug)	1.2 m coiled cable (3.0 m when extended) 3.0 m straight cable
Plug	φ 3.5 mm stereo mini plug (gold plated)
Weight (without cord)	265 g	260 g
Accessories included	φ 6.3mm stereo plug adapter (gold plated, screw-type), flat-fold carry case	φ 6.3mm stereo plug adapter (gold plated, screw-type), compact carry case