Astell & Kern Leather Case for A&ultima SP4000 Color:Black Thanks to the 16-hour battery

Thanks to the 16-hour battery life they can wirelessly stream high-quality JBL Pure Bass sound and provide hands-free call management

hearing the space around each instrument and singer is so fun

330g (excluding cable)

but it does not affect the overall sound effect

Astell & Kern Leather Case for A&ultima SP4000 Color:Black Thanks to the 16-hour batteryThe Perfect Fit and Superior Grip SP4000 Case Premium Leather Case The SP4000's case is made of high quality cow leather from GRUPPO MASTROTTO, and boasts a high level of craftmanship that matches the style of the A&ultima SP4000. The case is available in two colors: Black and khaki. It has a built in stand that enhances usability. The case wraps around the entire player, providing excellent protection and a superior grip with a perfect fit. Crafted