1000ft 2-conductor 16AWG speaker wire with round jacket. Available in black. These professional, low loss speaker cables from BTX come in flat jacket or heavy duty round jacket styles. The 2-conductor flat jacket version features low capacitance, high-strand oxygen-free copper (OFC) conductors and provide extremely low power loss, wide bandwidth and excellent transient response. The round version’s high strand count and flexible heavy-duty jacket make them ideal for general purpose and permanent installations in medium powered and high quality sound systems.