Package Includes: (4) Rockville PRO-M50 SR Studio Headphones+Detachable Coil Cable+Case+Extra Ear Pad (1) Mackie HM-4 4-Way Distribution Headphone Amplifier Amp w/4 Headphone Outputs Includes: PRO-M50 SR headphones Detachable cable Soft suede and leather ear cushions (interchangeable) Leather hard travel protective case Gold plated ¼” adapter Video of PRO-M50 SR: Description: Rockville brings you studio quality headphones and at an incredible price with its new PRO-M50 SR headphones. These are professional grade headphones that are guaranteed to ourperform headphones that cost triple the price! These feature ergonomically designed swiveling cups with interchangeable soft suede or leather finish cushions (included). The ear cups seal tight for excellent sound isolation and minimal bleed. Inside these cups you’ll find 40mm Neodymium drivers delivering accurate audio with an extended frequency range for clear and rich bass and a full frequency range of mids and highs. These are closed back style headphones specifically designed for studio monitoring. These play back the sound with a flat frequency curve so you can hear your music exactly how it was recorded. With the PRO-M50 SR you can expect to hear every detail of every song with extreme accuracy. These headphones cover full frequency ranges; even extending a bit past the frequencies that the human ear can hear. The headband is made of soft leather offering ultimate comfort even after extended wear. The beautifully designed stainless steel headband frame and arms are strong and durable. A detachable 51” coiled 100% Oxygen Free Copper cable with a gold plated 3.5mm plug is included along with a gold plated ¼” adapter to ensure the best possible signal. A hard leather case is included to store and protect your new investment when you are on the go. Amazing sound quality will make these your go-to headphones whether in the studio or out and about! Features: Rockville PRO-M50 SR Studio Headphones w/ Detachable Coil Cable Case+Extra Ear Pad Professional High-Definition Studio Headphones 40mm Neodymium drivers Ergonomically designed swivel ear cups Supreme sound isolation Accurate sound reproduction Minimal bleed Sturdy and durable steel headband and arms Soft leather headband cover Interchangeable leather and soft suede ear cups covers included Detachable 51” coil cable made of 100% Oxygen Free Copper (158” fully extended) Gold plated 3.5mm connector Gold plated ¼” adapter Hard leather carrying case Stainless steel headband frame and moving arms are durable and long-lasting Specifications: Style: Closed-Back Design: Circumaural Transducer Type: Dynamic Driver: 40MM Sensitivity: 97±3dB Impedance: 32ohm Frequency Response:10Hz – 25KHz Max. Power: 600MW Rating Power: 260MW Net Weight: 290g (with cable)Authorized Mackie Dealer! Description of HM-4: