RockJam Manuals & User Guides

melmelada de roca is a widely recognized brand in the entry-level musical instrument market, owned and managed by PDT Ltd in the United Kingdom. The company focuses on making music accessible to beginners and students by offering comprehensive "Super Kits" that bundle instruments with essential accessories like stands, benches, and headphones.

The RockJam product lineup includes full-size electronic keyboards, digital pianos, electronic mesh drum kits, electric and acoustic guitars, and ukuleles. Beyond instruments, RockJam produces home entertainment audio devices, such as Bluetooth karaoke machines and portable party speakers. RockJam products are designed to provide value and functionality for aspiring musicians and home hobbyists.

• How do I contact RockJam support?

  RockJam products are manufactured by PDT Ltd. For support, warranty claims, or spare parts, you can contact them via email at info@pdtuk.com.

• What power adapter does my RockJam keyboard use?

  Most RockJam keyboards require a DC 9V power adapter (often 500mA or 1000mA depending on the model) with a center-positive plug. Always check the specific voltage rating on the back of your device or in the user manual.

• How do I pair my RockJam Bluetooth karaoke machine?

  Turn on your karaoke party speaker and switch it to Bluetooth mode (you may hear a sound signal). On your mobile device, search for the Bluetooth name (often 'RockJam' or the model number like 'RJPS150') and select it to pair.

• Why does my keyboard make a faint noise when turning on?

  A faint click or static noise when powering the keyboard on or off is normal for many electronic keyboards and does not indicate a fault.

• Can I connect my RockJam keyboard to a computer?

  Many RockJam models, such as the RJ493 or RJ549, feature MIDI capabilities or AUX connections. Check if your model has a USB MIDI port (Type B or Type C) to connect to a tablet, laptop, or PC for use with music software.