Is this headset waterproof?

Yes, both wired and wireless speaker drivers are rated IPX7 waterproof.

Can it connect to a walkie-talkie?

Yes, it supports KN6 interface for direct connection and simultaneous use with PTT and radio.

What is the range of the mesh communication?

The mesh full-duplex ad hoc network supports 1-to-4 and 4-to-5 device communication efficiently within 300–800 meters line-of-sight.

How is the noise reduction performance?

It offers ANC ≥16dB (63Hz–500Hz), ENC ≥20dB, and a max noise reduction of -35dB for ANC and up to 45dB for ENC calls.

SD-3000D | Wireless & Wired Multi-Functional Military Headphones with Noise Reduction & Mesh Communication

Dual-mode military headphones equipped with ANC, ENC, ANR, Bluetooth 5.4, IPX7-rated dynamic speaker drivers (40mm & 20mm), mesh full-duplex networking, and bone conduction call compatibility. Supports PTT and simultaneous radio connection. ProductDriverSize

Technical
Specifications

Specification	Details
Product Name	Wireless & Wired Multi-Functional Military Headphones
Bluetooth Version	5.4
Active Noise Reduction (ANC/ANR)	a) Avg. insulation ≥23dB (315Hz–8000Hz) b) ANC ≥16dB (63Hz–500Hz) c) Max reduction: -35dB
ENC Call Noise Reduction	a) Avg. insulation ≥23dB (315Hz–8000Hz) b) Reduction ≥20dB (63Hz–500Hz) c) Max reduction: 45dB
Networking Method	Mesh full-duplex ad hoc communication (1-to-4, 4-to-5)
Wireless Speaker Driver	Type: IPX7 Waterproof Dynamic Size: 40mm Impedance: 50Ω ±3% Max Power: 50mW Rated Power: 30mW F0: 100Hz Frequency Range: 10Hz–20kHz Sensitivity: ≥115dB/mW THD: ≤3%
Wired Speaker Driver	Type: IPX7 Waterproof Dynamic Size: 20mm Impedance: 300Ω ±3% Max Power: 0.2W Rated Power: 0.1W Frequency Range: 20Hz–50kHz Sensitivity: 96dB ±3%
Microphone	Type: Electret Condenser + Dynamic Sensitivity: -52dB ±3dB Pickup: Omnidirectional Ambient Sound: 20Hz–15kHz Voltage: 4.5V SNR: 58dB Power: 500μA Boost Range: 125dB
Calling Performance	Frequency: 200Hz–4000Hz Sensitivity: -65 ±3dB/Pa Impedance: 550Ω ±10% SNR: ≥12dB Distortion: ≤3%
Headphone Jack	KN6
Charging Port	Type-C
Audio Output	DC3.5, KN6 interface, Bluetooth wireless
Communication Method	KN6 interface, Bluetooth wireless
Battery	2× AAA dry batteries (for pickup, ANC, and Bluetooth)
Compatibility	Supports PTT + simultaneous radio communication
Material	Composite Materials

Specification

Details

Product Name

Wireless & Wired Multi-Functional Military Headphones

Bluetooth Version

5.4

Active Noise Reduction (ANC/ANR)

a) Avg. insulation ≥23dB (315Hz–8000Hz)
b) ANC ≥16dB (63Hz–500Hz)
c) Max reduction: -35dB

ENC Call Noise Reduction

a) Avg. insulation ≥23dB (315Hz–8000Hz)
b) Reduction ≥20dB (63Hz–500Hz)
c) Max reduction: 45dB

Networking Method

Mesh full-duplex ad hoc communication (1-to-4, 4-to-5)

Wireless Speaker Driver

Type: IPX7 Waterproof Dynamic
Size: 40mm
Impedance: 50Ω ±3%
Max Power: 50mW
Rated Power: 30mW
F0: 100Hz
Frequency Range: 10Hz–20kHz
Sensitivity: ≥115dB/mW
THD: ≤3%

Wired Speaker Driver

Type: IPX7 Waterproof Dynamic
Size: 20mm
Impedance: 300Ω ±3%
Max Power: 0.2W
Rated Power: 0.1W
Frequency Range: 20Hz–50kHz
Sensitivity: 96dB ±3%

Microphone

Type: Electret Condenser + Dynamic
Sensitivity: -52dB ±3dB
Pickup: Omnidirectional
Ambient Sound: 20Hz–15kHz
Voltage: 4.5V
SNR: 58dB
Power: 500μA
Boost Range: 125dB

Calling Performance

Frequency: 200Hz–4000Hz
Sensitivity: -65 ±3dB/Pa
Impedance: 550Ω ±10%
SNR: ≥12dB
Distortion: ≤3%

Headphone Jack

KN6

Charging Port

Type-C

Audio Output

DC3.5, KN6 interface, Bluetooth wireless

Communication Method

KN6 interface, Bluetooth wireless

Battery

2× AAA dry batteries (for pickup, ANC, and Bluetooth)

Compatibility

Supports PTT + simultaneous radio communication

Material

Composite Materials