Massive Audio
Massive audio manufactures high-end audio amplifying products. With products like speakers, subwoofers, marine audio, amplifier, and even receivers, you experience music like never before and get excellent sound quality in different models, shapes, sizes, and wattage for your cars and on-stage events. Experience the true joy of music with their line of wired headphones. They have free shipping for 48 states in the USA and a 30-day return policy.