We say :
Roland's TD-50DP lets you expand your existing V-Drums kit with the latest digital functionality and sounds. It is the perfect upgrade for anyone wanting the heart of the TD50KV drum kit without the expense of replacing everything else along the way!
Roland say :
Take the latest TD-50 Sound Module, along with the PD-140DS Digital Snare and CY-18DR Digital Ride, and add them to your existing V-Drums kit for supreme playability and unmatched expression. Featuring an advanced processor and newly developed Prismatic Sound Modeling, the TD-50 module delivers Roland’s most impressive and wide-ranging sounds yet. In addition to traditional analogue trigger inputs, the module also has all-new digital trigger inputs for high-speed communication with the multi-element sensor systems of the PD-140DS snare and CY-18DR ride pads. Meanwhile, deep editing features and flexible connectivity put you in charge. With peerless sound quality, response, and expression, the TD-50 Digital Upgrade Pack lets you use your current V-Drums kit to access to the latest pro standard in electronic drums.