【Latest Model (WH 1000 XM4)】 SPECIFICATIONS & FEATURES Visit: https://www.sony.com.my/electronics/headband-headphones/wh-1000xm4#product_details_default 【Previous Model (WH 1000 XM3)】 SPECIFICATIONS & FEATURES WH-1000XM3 headphones take you even deeper into silence with further improvements to our industry-leading noise cancellation1, and smart listening that adjusts to your situation. DRIVER UNIT 40mm, dome type (CCAW Voice coil) DSEE HX Yes INPUT(S) Stereo Mini Jack FREQUENCY RESPONSE 4Hz-40,000Hz FREQUENCY RESPONSE(BLUETOOTH® COMMUNICATION) 20Hz - 20,000Hz (44.1kHz Sampling) / 20Hz - 40,000Hz (LDAC 96kHz Sampling, 990kbps) FREQUENCY RESPONSE (ACTIVE OPERATION) 4Hz-40,000Hz PASSIVE OPERATION Yes NFC Yes CORD LENGTH Headphone cable (approx. 1.2m, OFC strands, gold-plated stereo mini plug). *HD Noise Cancelling Processor QN1 lets you listen without distractions. *Unique automatic personal NC, and Atmospheric Pressure optimisation. *Wireless freedom with BLUETOOTH® technology and NFC. *Smart Listening by Adaptive Sound Control automatically adjusts ambient sound to your activity. *High-quality audio with DSEE HX™ and LDAC.