Monster Performer 500 Speaker Cable - 20 Feet - Straight 1/4-Inch to Dual Bananas (Discontinued by Manufacturer) Special Time Correct windings for more accurate music reproduction. Magnetic Flux Tube for improved bass response and more natural sonic characteristics. Increased conductor area transfers all the amplifiers power to speakers. Extra-flexible Duraflex outer jacket for superior reliability and cut resistance. 24k gold contact 1/4 connectors or gold Monster Tips bananas for durability and improved signal transfer. Ergonomically contoured, heavy-duty body shell is easier to grab and offers hassle-free insertion and removal every time.