Introduction
The RockJam 49 Key Keyboard Piano is a versatile and compact instrument designed for both aspiring musicians and seasoned players. It offers a rich array of features to enhance your musical journey, including a wide selection of built-in tones and rhythms, demo songs, and recording functions. This manual will guide you through the setup, operation, and maintenance of your keyboard, ensuring you get the most out of your new instrument.
Key features include 49 full-sized keys, a reliable power supply, a sheet music stand, and piano note stickers for easy learning. Its lightweight and portable design allows for use in various settings, whether at home, in lessons, or on the go.
Setup
1. Unpacking and Initial Inspection
Carefully remove all components from the packaging. Ensure the following items are present:
- RockJam 49 Key Keyboard Piano
- Power Supply (AC Adapter)
- Sheet Music Stand
- Piano Note Stickers
Inspect the keyboard for any visible damage. If any components are missing or damaged, please contact customer support.
2. Powering Your Keyboard
Your RockJam keyboard can be powered in two ways:
- AC Adapter: Connect the included AC adapter to the DC 9V input jack on the back of the keyboard and plug the other end into a standard wall outlet.
- Batteries: For portable use, open the battery compartment on the underside of the keyboard. Insert 6 x AA batteries (not included), ensuring correct polarity. Close the battery compartment securely.
3. Attaching the Sheet Music Stand
Locate the two slots on the top rear of the keyboard. Align the tabs on the bottom of the sheet music stand with these slots and gently push down until it clicks securely into place.

Figure 1: RockJam 49 Key Keyboard Piano with attached sheet music stand.
4. Applying Piano Note Stickers
The included piano note stickers can assist beginners in identifying keys. Carefully peel each sticker and apply it to the corresponding white key, as indicated by the musical notation and note name on the sticker. Ensure the stickers are aligned neatly on the keys.

Figure 2: Close-up view of piano keys with note stickers applied.
Operating the Keyboard
1. Power On/Off
Press the red POWER button located on the left side of the control panel to turn the keyboard on or off. A red indicator light will illuminate when the keyboard is on.

Figure 3: Power button and indicator lights on the control panel.
2. Volume Control
Adjust the overall volume using the VOL+ and VOL- buttons located near the center of the control panel. Press VOL+ to increase volume and VOL- to decrease it.
3. Selecting Tones (Instruments)
The keyboard features 100 built-in tones. To select a tone, press the TONE button, then use the numbered buttons (00-99) to enter the desired tone number. A list of common tones is printed on the keyboard for quick reference (e.g., Piano, Organ, Violin, Trumpet, Flute, Mandolin, Vibraphone, Guitar, Strings, Space).

Figure 4: Tone and Rhythm selection buttons.
4. Playing Rhythms
The keyboard includes various rhythms. To select a rhythm, press the RHYTHM button, then use the numbered buttons (00-99) to enter the desired rhythm number. Press the START/STOP button to begin or end the rhythm. Adjust the rhythm tempo using the TEMPO+ and TEMPO- buttons.

Figure 5: Rhythm playback controls.
5. Demo Songs
The keyboard has pre-recorded demo songs. Press DEMO A or DEMO B to play a demonstration song. Press the button again to stop playback.
6. Recording and Playback
To record your performance:
- Press the RECORD button. The REC indicator light will illuminate.
- Play your desired melody on the keyboard.
- Press the RECORD button again to stop recording. The REC light will turn off.
To play back your recorded melody, press the PLAYBACK button.

Figure 6: Record and Playback controls.
7. Headphone Jack
A 3.5mm headphone jack is located on the back of the keyboard. Plug in headphones for private practice. The internal speakers will automatically mute when headphones are connected.
8. Other Controls
- SYNC: Synchronizes the rhythm with your playing.
- FINGER/SINGLE: Selects different chord modes.
- CHORD OFF: Disables chord accompaniment.
- SUSTAIN: Adds a sustain effect to notes.
- VIBRATO: Adds a vibrato effect to notes.
Maintenance
Cleaning
Wipe the keyboard surface with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and then dry thoroughly. Avoid using abrasive cleaners, solvents, or waxes, as these can damage the finish.
Storage
When not in use for extended periods, store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures. If using batteries, remove them before long-term storage to prevent leakage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from speakers/headphones | Volume too low; Power off; Batteries drained; Headphones not fully inserted. | Increase volume; Turn on power; Replace batteries; Re-insert headphones firmly. |
| Keyboard does not power on | AC adapter not connected; Power outlet faulty; Batteries drained/incorrectly inserted. | Ensure AC adapter is securely connected; Try a different outlet; Replace/re-insert batteries correctly. |
| Keys not responding | Keyboard may be in a specific mode (e.g., demo mode); Internal malfunction. | Turn the keyboard off and on again to reset. If problem persists, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | RockJam 49 Key Keyboard Piano |
| Model Number | RJ549 |
| Number of Keys | 49 |
| Power Source | AC Adapter (included) or 6 x AA Batteries (not included) |
| Output Wattage | 5 Watts |
| Voltage | 120 Volts |
| Headphones Jack | 3.5mm Jack |
| Item Weight | 3.65 pounds (1.66 Kilograms) |
| Product Dimensions | 3.31"D x 27.48"W x 9.25"H |
| Special Features | Built-In Speaker, Compact, Digital Display, Headphone Jack, Multiple Voices |
Warranty and Support
For detailed warranty information and customer support, please refer to the full user manual provided with your product or visit the official RockJam website. You can also find additional support and frequently asked questions there.
Online Resources:
- User Guide (PDF): Download Here
- User Manual (PDF): Download Here