Sound Blaster X4 - Hi-res 7.1 External USB DAC and Amp Sound Card with Super X-Fi® and SmartComms Kit for PC and Mac - Creative Labs (United States)

Supporting up to 7.1 discrete surround, the Sound Blaster X4's 7 extensive I/O connectors like optical-in and -out ports make it the perfect PC companion.

Sound Blaster X1 Hi-res Super X-Fi External USB DAC and Headphone Amplifier for PC and Mac, Also Compatible with PS4, PS5, and Switch : Electronics

Review: Sound Blaster X4 – USB DAC and Amp Sound Card with Super X-Fi – Tech Jio

CREATIVE SOUND BLASTER X4 Hi-Res 24bit/192kHz External USB DAC Amp Sound Card $89.95 - PicClick

Creative Sound Blaster X4 Hi-Res USB DAC & Amp Sound Card - Review 2023

7.1 DISCRETE SURROUND WITH SUPER X-FI AND DOLBY DIGITAL LIVE - Supports up to 7.1 discrete for multi-channel speakers and virtual for headphones

Creative Sound Blaster X4 Hi-Res 24bit/192kHz External USB DAC and Amp Sound Card, Super X-Fi, Multi-Channel, 7.1 Discrete Surround, Optical-in

Review: Sound Blaster X4 – USB DAC and Amp Sound Card with Super X-Fi – Tech Jio

Creative Sound Blaster X4 Hi-Res 24bit/192kHz External USB DAC and Amp Sound Card, Super X-Fi, Multi-Channel, 7.1 Discrete Surround, Optical-in, Optical-out, Line-in, Mic-in, Headset-in for PC and Mac

Review: Sound Blaster X4 – USB DAC and Amp Sound Card with Super X-Fi – Tech Jio

Creative Sound Blaster X4 Hi-Res 24bit/192kHz External USB DAC and Amp Sound Card, Super X-Fi, Multi-Channel, 7.1 Discrete Surround, Optical-in, Optical-out, Line-in, Mic-in, Headset-i (70SB181500000)