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Articles May-June 2021

Pursuing the Pro Audio Trail

In conversation with Caroline Moss and Sue Gould

PT got in touch with the Pro AVL Asia magazine core team of Editor - Caroline Moss and Sales Director - Sue Gould, who between them boast of over three decades of experience in the pro audio industry..... read more

NJSM Marks a Milestone in the Business of Sound

From Rental Company to manufacturer and innovator, Nixon Johnny has guided and grown NJSM from a two-person company to a fifty-person company, continuing to expand into virtual events with NJSM Virtual Studio..... read more

Tech Savvy Environment for T-Systems

Eyte Technologies installs high-tech AV Solution at T-System’s Experience Center facilitating brand value and delivering superior customer experience..... read more

Conversations with SudeepAudio

Sudeep Audio, one of India’s first pro audio web store selling studio software and equipment online commenced its YouTube Channel, ConverSAtions, in 2011 to share the journey of Indian Sound Engineers..... read more

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DJ Headphones

Ear to Hear

Irrespective of the genre of music, one of the most essential and valuable equipment for a DJ, is the headphone. A well-designed pair of DJ headphones can make a big difference in the performance. In this product focus section, PT highlights a line-up of six DJ Headphones launched in 2017-2018.

Audio Technica ATH-PRO7X

Audio Technica ATH-PRO7X professional DJ headphones combine the comfort and low-profile style of an on-ear design with powerful 45 mm drivers capable of handling 2,000 mW of input power. This combination gives DJs extremely accurate high-fidelity audio reproduction – even at loud volumes – from a pair of headphones that are easy to wear through even the longest gigs.

Main Features include:
• 45 mm large-aperture drivers reproduce ultra-expressive, detailed sound
• On-ear design with sleek, minimalist style
• Detachable locking cables – 1.2 m - 3.0 m (3.9’ - 9.8’) coiled and 1.2 m (3.9’) straight – ensure secure connection during active DJ use
• Maximum input power of 2,000 mW enables distortion-free wide-range audio reproduction even at loud volumes
• Premium, soft, durable earpads can be worn comfortably for hours
• Easily replaceable headband cushion
• Lightweight, sturdy construction

Technical Specifications:
• Type: Closed-back Dynamic
• Driver Diameter: 45 mm
• Magnet: Neodymium
• Frequency Response: 5 - 40,000 Hz
• Maximum Input Power: 2,000 mW at 1 kHz
• Sensitivity: 100 dB
• Impedance: 37 ohms
• Weight: 220 g (7.8 oz)
• Cable: Interchangeable cables: detachable 1.2 m - 3.0 m (3.9’ - 9.8’) coiled cable and detachable 1.2 m (3.9’) straight cable
• Connector: 3.5 mm (1/8”) stereo mini-plug
• Accessory Included: 6.3 mm (1/4”) screw-on adapter

Pioneer HDJ-S7

Pioneer HDJ-S7 headphones are the world’s first on-ear DJ headphones to feature 40-mm HD drivers. This ensures the clear sound separation needed for monitoring during mixes, from rich and powerful bass to clear mid-to-high frequencies.

Main Features include:

• Outstanding Sound
 High-quality audio design: equipped with newly developed 40-mm HD drivers, making them the world’s first on-ear DJ headphones to reproduce high-resolution sound from 5Hz to 40 kHz.
• 4-core twisted-structure cable: independent ground wire in the 4-core twisted-structure cable provides superior left and right channel separation, improving sound quality.
• Bass reflex chamber: ensures excellent bass response and sound insulation.
• Superior Durability
• Rigorously tested
• Improved Functionality
• Swivel mechanism for all monitoring styles
• Comfortable and flexible headband
• Comfortable ear pads

Technical Specification:

• Type: Closed, Dynamic
• Frequency response: 5 Hz to 40,000 Hz
• Impedance: 48 Ω
• Sensitivity: 107dB
• Maximum input power: 2,000 mW
• Driver: ø 40 mm
• Connection cord: 1.2 m coiled cable (extended length 3.0 m) 1.6 m straight cable
• Weight: 215 g (without cable)
• Accessories: ø 6.3 mm stereo plug adapter (threaded type)

Phonon 02 Stick

Phonon 02 stick DJ headphone is a single earpiece attached to a foam stick. It is said to be the perfect, comfortable and sponge stick ear pads for DJ’s. it works by summing the stereo cue signal into mono, always keeping one ear on the club rather than focusing too much on the next track.

Main Features include:
• Mono specification that mixed LR channel based on SMB - 02.
• Institute click unit using natural rubber sponge fatigue even in long play.
• The long curl cord supports DJ movement.
• A DJ mixer and 02 Stick of split CUE featured your case of use, CUE channel and master channel is out of the mix will be force. Please check your DJ mixer.

Tech Specifications:

• Type: stick style DJ headphone, mono sound
• Driver: 40mm
• Output sound level: 100dB/mW
• Playback frequency range: 20 - 20,000Hz
• Maximum input: 1,600mW
• Impedance: 25Ohms

Reloop SHP-8

Reloop SHP-8 is a professional over-ear headphone, its closed-back construction with passive bass amplification the SHP-8 offers clear and precise reproduction of low frequencies, makes it suitable for DJ applications.

Main Features include:
• Closed-back architecture with passive bass enhancement
• Neutral and detailed reproduction of the whole frequency range
• Bass Accentuation Technology: Individual adjustment of the low end frequency range for each earcup (neutral/+3 dB/+6 dB)
• Rotatable earcups for comfortable handling
• Extendable aluminium headband adapts perfectly to the shape of your head
• Highly flexible headband allows one-ear monitoring as well
• Comfortable padding composed of memory foam and premium protein leather with excellent humidity absorption characteristics – even during a long session
• One-sided cable routing for flexibility
• Replaceable, removable cable connection
• 3.5 mm stereo jack cable with gold-plated plugs and spring-loaded bend protection
• Sturdy high-quality construction containing aluminum with a gunmetal finish
• Incl. velvet bag and gold-plated 6.3 mm stereo jack adapter S

Technical Specification:
• Frequency range: 10 Hz - 20 kHz
• Max. input power: 20 mW
• Impedance: 32 Ohm +/-15 %
• Acoustic pressure: 96 dB +/-3 dB at 1 kHz
• Driver unit: 40 mm
• Speaker power: 10 mW
• Connections: 3.5 mm jack/6.3 mm adapter (gold-plated)
• Weight: 237 g
• Cable: 2.2 m

Sennheiser HD 660 S

Sennheiser HD 660 S is an elegantly designed piece of high-quality which engineering that indulges the demanding listener with aural precision and great wearing comfort. Due to its lower impedance, it delivers reference-class sound also when connected to hi-res mobile players, thus offering much greater versatility.

Main features include:
• With a crisp bass, excellent mid-frequency response, and a gentle, pleasantly natural treble, the HD 660 S has an expressiveness that immerses you in every emotion and nuance of music.
• Extremely light aluminum voice coils ensure the highest impulse fidelity
• All cables are made of highly conductive OFC copper, featuring very low handling noise and sturdy para-aramid reinforcement.
• The elliptical ear cups are shaped to follow the anatomy of the ear, while thick padding on the headband and the replaceable ear cushions guarantee hours of listening in supreme comfort.

Technical Specification:
• Impedance: 150 Ω
• Connector: 6.35 mm / 4.4 mm Pentaconn
• Frequency response: 10 – 41,000 Hz (-10 dB)
• Sound pressure level (SPL): 104 dB at 1V 1kHz
• THD + N, total harmonic distortion and noise < 0,04% (1 kHz, 100 dB)
• Transducer principle (headphones) Dynamic, open
• Weight w/o cable Approx. 260 g (without cable)