NOTHING Ear (A) Active Noise Cancelling In-Ear Headphones - White - NEW SEALED! About This Item: Powerful 11 mm driver, clear, rich, punchy NOTHING has made their driver even more compact. With double the power than Ear (2), Ear (a) delivers an even deeper bass performance. The extra space gives sound waves more room to vibrate. With two new vents, airflow is improved inside the bud. For less distortion and richer overall clarity.