Superlux HD660

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Professional Monitoring Headphones

The HD660 is a closed dynamic headphone for the most demanding professionals. 
The accurate sound profile and comfortable headband make the HD660 the perfect monitoring 
headphone for recording studios, post production or broadcasting applications. 
With a carefully tailored frequency response, the HD660 offers an excellent clarity 
of sound with a natural and balanced character. Soft earpads and adjustable, sliding
earpieces, together with a single-sided connecting cable, ensure listening comfort 
during long term use. A durable plastic storage box ensures secure protection during transportation.

• Dynamic, closed-back headphones
• Natural and well-balanced sound profile
• Ultra-detailed high and mid-range reproduction
• High noise attenuation
• Durable headband construction with optimized pressure
• Single sided cable

Type:Dynamic, Closed-back
Driver: F40mm, neodymium
Sensitivity: 96dB SPL (1mW)
Frequency Response: 10–30,000Hz
Max. Input Power: 100 mW
Rated Impedance: 150 O
Earpads: leatherette
Cables: 3-meter (9.8 ft.) coiled, single-sided cable
Connector:Screw-on gold plated stereo mini plug
Headphone Caliper Pressure: Approx. 6N
Weight (with cable):250 g/ 8.8 oz

Muffy Kids – Earmuff for children – SNR 25 dB – 5 to 12 years
Young children are exposed a lot to loud noises every day. Playing with other children in the 
schoolyard, a noisy classroom, cars honking in traffic, toys with sound …. Did you know that 
noise in the schoolyard can cause sounds of 85 dB and higher? And sounds from 80 dB can already 
be harmful to our hearing.

Because the hearing in young children is still very fragile, a children’s ear can tolerate even 
less sound than an adult ear.
Research shows that 1 in 8 children suffers permanent hearing damage, which in the long term can 
lead to concentration problems, sleeping problems, stress and delay in language development. As a 
parent, you want to do everything you can to prevent hearing damage to your child.
Alpine Muffy Kids are small earmuffs specially designed for children from the age of 5 to 16 years old. 
The earmuffs are used in noisy environments such as parties, parades, fireworks displays, concerts, and 
car and motorcycle races. Alpine Muffy Kids earplugs attenuate up to 25 dB ambient noise.

The Alpine Muffy Kids earmuffs are available in five new trendy colours. The outer layer of the coloured 
earmuffs are made of plastic, making them easy to clean. The earmuffs are collapsible, so you can easily 
take them with you.
The headband is adjustable in size and has a soft lining. Children often experience the Alpine Muffy Kids
 earmuffs as comfortable. Because the headband is adjustable, your child can also use the Alpine Muffy Kids 
for years to come. That is great!

With Protect&Go carry-case
Are you ordering Alpine Muffy Kids earmuffs? Then you will receive a free carry-case with your order. 
This carry-case ensures that you can easily take the collapsible earmuffs with you, protect them and keep 
them clean. This way, the Muffy Kids earmuffs last extra-long.


 
- Small size earmuffs specially designed for children 
- Attenuates sound up to 25 dB (SNR) Lightweight and collapsible 
- Adjustable headband with soft padding 
- Made of skin-friendly material Easy to clean outer layer 
- Available in new, trendy colours 
- CE certified 
- With free Protect & Go carry-case