ISOtunes SPORT IT-77 Defy Slim Passive Instruction Manual
- June 1, 2024
- ISOtunes SPORT
Table of Contents
DEFY SLIM PASSIVE
Model: IT-77
Color: Jaeger Green
IT-77 Defy Slim Passive
Product: Noise-isolating, over-ear passive hearing protection device.
Featuring an ultra-slim design, foam ear cushions, and an adjustable headband.
Applications: Designed for shooters who need a lightweight, ultra-slim
ear defender.
Standards and Approvals: This product has been tested to the ANSI
S3.19-1974 standard and is EN 352 Certified.
NRR = 23 dB
SNR = 28 dB
CSA Class = BL
NRR TABLE
Frequency (Hz)| 125| 250| 500| 1000| 2000|
3150| 4000| 6300| 8000
---|---|---|---|---|---|---|---|---|---
Grand Mean Attenuation (dB)| 21.2| 24.5| 26.0| 29.8| 30.9| 36.2| 38.7| 36.7|
33.9
Standard Deviation (dB)| 3.1| 3.9| 2.1| 2.8| 2.6| 2.9| 2.9| 4.2| 3.1
SNR TABLE
Frequency (Hz)| 125| 250| 500| 1000| 2000|
4000| 8000
---|---|---|---|---|---|---|---
Mf (dB)| 18.2| 21.8| 25.5| 30.7| 30.4| 37.7| 33.9
Sf (dB)| 2.7| 3.7| 3.1| 2.5| 1.8| 3.1| 3.0
APVf| 15.5| 18.1| 22.4| 28.3| 28.6| 34.6| 30.9
SNR| 28 dB
---|---
H| 30 dB
M| 26 dB
L| 21 dB
The Next Generation of Hearing Protection™
Technical specifications
FEATURES:
- Ultra-Slim Design
- Lightweight, Durable Construction that doesn’t compromise performance
- All-Day Comfort with foam ear cushions and an adjustable headband
- Gel Cushion Compatible* for additional comfort and to seal around eyewear
- Gel cushions sold separately.
SHIPPING:
- Product Weight: 222.9 g
- Packaged Dimensions: 12.6 x 11.6 x 15 cm
- Packaged Weight: 313 g
- Outer Carton Quantity: 20 units
- Outer Carton Dimensions: 60 x 32 x 27cm
- Outer Carton Weight: 7.5 kg
Important Notice : Haven Technologies does not accept liability of any
kind, be it direct or consequential (including, but not limited to, loss of
profits, business and/or goodwill) arising from reliance upon any information
herein provided by Haven Technologies. The user is responsible for determining
the suitability of the products for their intended use. Nothing in this
statement will be deemed to exclude or restrict Haven Technologies liability
for death or personal injury arising from its negligence.
Warranty: The warranty does not cover any damage caused by neglected
maintenance or careless handling. For more information on maintenance, please
see the user instruction. For complete warranty conditions, contact your
dealer or local Haven Technologies Office.
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