Plug: RJ9 Crystal Head. Scope of Application: Used for Devices with RJ9 Headphone Jack. Directivity: Single Point. Distortion: ≤5% (at 178mV 1kHz). Frequency Characteristics: 100Hz-10kHz. Voice Coil Impedance: 150±15Ω (at 1kHz).
Adjustable Volume Corded Telephone with Big Buttons - Senior Friendly Design
RJ9 Telephone Support Support Volume Volume Adjustment For Telemarketing
—RJ9 Office Headset RJ9 Telephone Headset H360D-RJ9MV With Adjustable Speaker
RJ9 Office Headset RJ9 Telephone Headset H360D-RJ9MV With Adjustable Speaker
Big Button Telephone with Loud Volume Adjustable Volume Telephone for Seniors
