Pro-Ject - Speed Box S - Silver

Compatible with 16-volt AC motor turntables; quartz-generated high precision electronic speed regulation with microprocessor control; electronic speed change; metal case; small size

Enjoy precision turntable control with this Pro-Ject Speed Box regulator. It automatically converts between 33 and 45 rpm functionality for optimal audio, and you can add an optional accessory pulley to make a 78-rpm setting possible. Connect this Pro-Ject Speed Box regulator to any turntable with a motor that operates up to 3W.