Zekler 412RDBH helmet-mounted hearing protector, Jämsä

Comfortable helmet-mounted hearing protector with built-in FM stereo radio, level-dependent environmental sound control and wireless Bluetooth for phone use or music streaming. Music streaming mutes and the FM radio is lowered when a call arrives, but the level-dependent function remains active for safety. Good attenuation for low, high and mid frequencies. Prepared for fork-type helmet mounting; wide comfort seal rings keep headband pressure even. Helmet adapter compatible with the Zekler visor system.

• Wireless Bluetooth connection for e.g. mobile phone, laptop, iPad.

• Boom microphone with very effective noise suppression for clear and intelligible communication even in high-noise environments.

• Side Tone function lets you hear your own voice clearly, making it easier to speak at a normal level even in noisy surroundings.

• Level-dependent function remains active for safety when a call arrives.

• Adaptive Volume Control automatically adjusts incoming call volume based on ambient noise level.

• FM stereo radio 88–108 MHz with level limit (82 dB(A)).

• Automatic Frequency Control (AFC) reduces noise between channels during tuning and locks the selected channel, keeping it stable even in poor reception conditions.

• Automatic stereo/mono switching stabilises the sound field according to reception conditions.

• Level Dependent System amplifies weak sounds and allows environmental sounds to be heard while protecting against sudden loud noises.

• Attenuation level: Level 2.

• 3.5 mm input.

• Includes cable with 2 x 3.5 mm stereo plugs.

• Designed for safety helmet mounting.

• Helmet adapter compatible with the Zekler visor system.

• Wide, comfortable and easily replaceable seal rings.

• Bluetooth range up to 10 m to the paired device.

• Includes 2 x 1.5 V AA batteries.

• Rechargeable batteries (HR6 2100 mAh) and charger available as accessories. Charging time approx. 3 hours from a mains socket and 8 hours via USB.

• Operating time up to 23 hours when all functions are used.

• Operating time up to 56 hours when using FM and the level-dependent function.

• Operating time up to 62 hours when using Bluetooth and the level-dependent function.

• Battery guard/power-save function automatically switches the unit off if no functions are used for 6 hours.

Approvals: EN 352-1, 352-3, 352-4, 352-6, 352-8 and EMC Directive 2004/108/EC.

Attenuation values:

H = 33

M = 26

L = 19

SNR = 29