QIGOM 4004‑32 40mm DIY Headphone Driver 32Ohm 111dB, Transparent PET Diaphragm, CCAW Voice Coil, 4‑Hole Venting Speaker Unit, 1 Pair

Key features

• 40MM DRIVER UNIT: Designed for DIY headphone builds, this 40mm speaker unit delivers rich, detailed sound.
• HIGH SENSITIVITY: Rated at 111dB sensitivity with a 32-ohm impedance for clear, efficient audio reproduction.
• TRANSPARENT PET DIAPHRAGM: The lightweight PET diaphragm ensures accurate, responsive sound with minimal distortion.
• CCAW VOICE COIL: Features a Copper-Clad Aluminum Wire voice coil for reduced weight and improved high-frequency response.
• 4-HOLE VENTING DESIGN: The vented speaker unit improves airflow and acoustic performance, sold as a convenient 1-pair set.