The Pro-Ject Power Box S3 Phono features two high-quality outputs designed to power a Pro-ject 15V DC turntable & a matching 18V Phono Box. This power filter is situated outside of the main units ensuring any audio or noise interface is nullified to produce a crisp vinyl sound. The Power Box S3 Phono offers precise DC filtration to provide ultra-stable clean power delivery. This combined with linear voltage regulation low ESR capacitors & a sturdy aluminium casing helps to produce a smooth power supply that enhances your favourite records.