Sound Blaster X7 White 127dB, 24-bit 192kHz High-Res External USB DAC and 100W Audio Amplifier for TV, PC, Mac. Dolby Digital, Bluetooth with aptX Low Latency, AAC, Optical, RCA In/Out The Sound Blaster X7 Limited Edition is an ultra high-end Sound Blaster with a 24-bit/192kHz High Resolution 127dB USB DAC & Audio Amplifier Design that delivers high availability, scalability, and for maximum flexibility and price/performance Manufactured in China Sound Blaster X7 Limited Edition Device Quick Start Leaflet 24V/2.91A AC-DC Power Adaptor and cable RCA to 3.5mm Stereo Cable for Front Out RCA to 3.5mm Stereo Cable (Female) for Line-In microUSB Cable 1.5m Headphone Stand