Monster Advanced HDMI 1080p Couple Model No. VA HDMI Cpl Coupler Specially Designed For HDMI Connections Internal Dual-layer Shielding For Superior Rejection Of Interference 24k Gold Contacts For Maximum Signal Transfer Instantly Couples Two HDMI Cables Together for Longer Lengths High-purity internal copper construction for lower resistanceand optimum signal integrity. Internal dual-layer shielding for superior rejection of interference. 24k gold contacts for maximum signal transfer. Precision impedance matching design for maximum signal strength.