หูฟัง Audio Technica ATH-S300BT Wireless Headphones

ATH-S300BT Wireless Headphones 

Headphones  

Type  : Closed-back dynamic 

Driver  : 40 mm  

Sensitivity  : 103 dB/mW  

Frequency response  : 20 to 20,000 Hz  

Impedance  : 44.5 ohms  

Microphone (Headphones) 

Type  : MEMS type 

Polar pattern  : Omnidirectional  

Sensitivity  : -38 dB (1V/Pa, at 1 kHz)  

Frequency response  : 50 to 10,000 Hz  

Microphone (Cables) 

Type  : Electret condenser 

Polar pattern  : Omnidirectional  

Sensitivity  : -42 dB (1V/Pa, at 1 kHz)  

Frequency response  : 100 to 10,000 Hz  

Communication specifications  

Communication System  : Bluetooth version 5.1 

Maximum RF output : 12mW EIRP 

Maximum Communication range : Line of sight – approx..10m (33’) 

Frequency band : 2.402 GHz to 2.480 GHz 

Modulation method : GFSK, Pi/4DQPSK, 8DPSK 

Spread spectrum method : FHSS 

Compatible Bluetooth profiles : A2DP, AVRP, HFP, HSP 

Supported codec  : AAC, SBC  

Supported content protection method : SCMS-T  

Transmission band : 20 to 20,000 Hz 

Other  

Power supply : DC 3.85 V lithium polymer battery 

Charging time : Approx. 2.5hours* 

Operating time : Continuous transmission time (music playback) 

Max. approx. 60hours (when Bluetooth and noise cancelling are on)* 

Max. approx. 90hours (when Bluetooth and noise cancelling are off)* 

Weight (without cable)  

Approx. 258 g (9.1 oz)  

Operating Temperature 

5C to 40C (41F to 104F) 

Accessories  

USB charging cable (30cm (12”), USB Type-A / USB Type -C) 

Cable with inline mic and control (1.2m (3,9”)/3.5mm (1/8”) gold-plated stereo mini-plug (4 pole / L-shaped))  

Sold separately  

Cable with in-line mic and control 

• The above figures depend on operating conditions. 

For product improvement, the product is subject to modification without notice.