SA-EF3504-AC Electronic Shooting Earmuff (NRR 23, Active) (SA-EF3504-AC) is a CE EN 352-1/CE EN 352-4/ANSI/ASA S3.19/ISO 9001:2015/BSCI-certified electronic earmuffs manufactured by SIAN. Key specs: NRR (Passive) 23 dB, Active Compression Cuts impulse noise > 82 dB to safe levels, Microphones Stereo external mics, 4× amplification.

SA-EF3504-AC Electronic Shooting Earmuff (NRR 23, Active) - SA-EF3504-AC

SA-EF3504-AC

SA-EF3504-AC Electronic Shooting Earmuff (NRR 23, Active)

CE EN 352-1 CE EN 352-4 ANSI/ASA S3.19 ISO 9001:2015 BSCI

Active sound-management earmuff — built-in microphones amplify safe ambient sound (conversation, range commands) while electronic circuitry compresses impulse noise above 82 dB (gunfire, hammer strikes) to safe levels. CE EN 352-4 certified. Powered by 2× AAA batteries, 350+ hours run-time. Includes 3.5 mm aux input.

Specifications

NRR (Passive) 23 dB
Active Compression Cuts impulse noise > 82 dB to safe levels
Microphones Stereo external mics, 4× amplification
Battery 2× AAA, 350+ hours run-time
Aux Input 3.5 mm jack for radio / phone
Cup Color Black / olive / desert tan stock
OEM Custom cup color, custom box
MOQ 300 pieces
Lead Time 40 days
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Features

  • Active impulse-noise compression for shooting / tactical
  • Stereo mic with 4× amplification — hear range commands
  • 3.5 mm aux input for radio communication
  • 2× AAA batteries — 350+ hours run-time, no proprietary battery
  • CE EN 352-4 certified for active hearing protection

Best For

  • Shooting ranges
  • Hunting
  • Tactical training
  • Law enforcement
  • Construction crew (with radio comms)

Factory Strength

Full in-house manufacturing capability behind every machine we ship.

20+
Years in Industry
12,000 m²
Manufacturing Floor
60+
Export Countries
500+
Factories Equipped

Service Commitment

Beyond shipping — we stand behind every machine we deliver.

5-Year Warranty

Core components warranted for 5 years; standard parts 12 months.

24h Remote Response

Technical engineers respond within 24 hours via WhatsApp / email / video call.

Global On-Site Service

Our technicians travel worldwide for installation, commissioning, and repair.

Operator Training

Hands-on training plus full technical documentation in your language.

Frequently Asked Questions

What is the SA-EF3504-AC Electronic Shooting Earmuff (NRR 23, Active) used for?
The SA-EF3504-AC Electronic Shooting Earmuff (NRR 23, Active) (SA-EF3504-AC) by SIAN is designed for shooting ranges, hunting, tactical training. Active sound-management earmuff — built-in microphones amplify safe ambient sound (conversation, range commands) while electronic circuitry compresses impulse noise above 82 dB (gunfire, hammer strikes) to safe levels. CE EN 352-4 certified. Powered by 2× AAA batteries, 350+ hours run-time. Includes 3.5 mm aux input.
What are the specifications of SA-EF3504-AC?
NRR (Passive): 23 dB. Active Compression: Cuts impulse noise > 82 dB to safe levels. Microphones: Stereo external mics, 4× amplification. Battery: 2× AAA, 350+ hours run-time. Aux Input: 3.5 mm jack for radio / phone. Cup Color: Black / olive / desert tan stock. OEM: Custom cup color, custom box. MOQ: 300 pieces. Lead Time: 40 days.
Does the SA-EF3504-AC Electronic Shooting Earmuff (NRR 23, Active) come with certifications?
Yes, the SA-EF3504-AC Electronic Shooting Earmuff (NRR 23, Active) is CE EN 352-1, CE EN 352-4, ANSI/ASA S3.19, ISO 9001:2015, BSCI certified.
How can I get a quote for the SA-EF3504-AC Electronic Shooting Earmuff (NRR 23, Active)?
Use the inquiry form on this page, or contact us at sales@cnsian.com. We respond within 24 hours.

Get a Quote for SA-EF3504-AC

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