The Original Bose T1 T4 T8 ToneMatch Audio Engine Power Supply Charger AC Adapter is a high-quality power supply unit specifically designed for Bose T1 T4 T8 ToneMatch devices. Made by Bose, this charger is compatible with these specific models and is manufactured in China. It is a reliable and durable accessory that ensures your audio engine stays powered and ready to use at all times. Ideal for musicians and audio professionals, this power supply adapter is essential for keeping your sound equipment running smoothly.