ISOtunes® FREE 2.
FIG 1 FIG 2 FIG 3 ANSI S3.19-1974 Table (NRR Table) Short Eartips Tall Eartips EN 352-2:2002 Table (SNR Table) Short Eartips SNR (dB) = 32.0 H84 (dB) = 32 dB M84 (dB) = 30 dB L84 (dB) = 28 dB M84 (dB) = 31 dB L84 (dB) = 29 dB Tall Eartips SNR (dB) = 33.
ISOtunes® FREE Aware Wireless Earbuds EN 4-5 DA X-X DE X-X ES X-X FI X-X FR X-X IT X-X NL X-X NO X-X SV X-X
EN Important Please read, understand, and follow all safety information. Models IT-73, IT-74 : ISOtunes FREE 2.0 IT-72 : ISOtunes FREE 2.0 EN 352 Full manual can be found at ISOtunes.com/manuals The ISOtunes FREE 2.0 comes with 3 sets of TRILOGY™ tall foam eartips (S,M,L), and 3 sets of double flange silicone eartips (S,M,L). Choose the size that fits best in your ear canal. Remember, the snugger the fit, the better the noise reduction.
EN instructions for proper fitting. A1: Frequency (Hz) A2: Mean Attenuation (dB) A3: Standard Deviation (dB) Example: 1. The surrounding noise level measured at the ear is 100 dB. 2. The NRR of ISOtunes® FREE 2.0 is 25 dB. 3. The noise level entering the ear is approximately equal to 75 dB. Please note that the NRR is based on the attenuation of continuous noise and may not be an accurate indicator of the protection attainable against impulsive noise, such as gunfire.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
