1 / 7RockJam RJMK25 25-Key Bluetooth MIDI Keyboard Controller
Keyboard: The RockJam RJMK25 is a compact 25-key MIDI controller with velocity-sensitive keys, eight pads and eight knobs. Its listed rechargeable battery and Bluetooth MIDI support suit portable beat-making, while customer feedback reports mixed Bluetooth, compatibility and setup experiences.
At a glance
- 25 mini velocity-sensitive keys for compact melodic parts and synth playing.
- Eight backlit velocity-sensitive pads and eight assignable knobs provide hands-on beat and parameter control.
- The listing claims rechargeable battery power and Bluetooth MIDI, alongside USB connectivity.
- An OLED display and four-way joystick are claimed for feedback, pitch and modulation control.
- Listed as compatible with DAW software including Ableton Live, FL Studio and Logic Pro.
Reference price: £39.89
Price checked: 12 Nov 2026
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Pros and cons
Pros
- Combines a small 25-key layout with eight pads and eight control knobs, giving producers multiple input types in a compact controller.
- Battery power and Bluetooth MIDI are listed for setups where a wired connection is inconvenient.
- The OLED display and joystick add feedback and pitch/modulation controls beyond the keys and pads.
Cons
- A 25-key range is limiting for playing broad parts across both hands without using octave changes.
Technical specifications
13 specifications| Brand | RockJam |
|---|---|
| Model | RockJam 25 Key Bluetooth MIDI Keyboard with 8 Velocity Sensitive Touchpads, 8 Knobs & 360 Thumbstick. |
| Keys | 25 |
| Colour | Grey |
| Screen technology listed | OLED |
|---|
| Wireless connection listed | Auxiliary, Bluetooth, USB |
|---|---|
| Connector | USB |
| Headphone jack | 3.5mm Jack |
| Power configuration | Battery Powered |
|---|---|
| Listed special features | Bluetooth Midi, Lighted Key, Rechargeable, Recording, Touch-Sensitive Keys |
| Dimensions listed | 34.3 x 17.5 x 4.8 centimetres |
|---|---|
| Weight listed | 1.75 Pounds |
| Operating systems listed | macOS, Windows, iOS |
|---|
What to know before buying
Listing details to confirm
Listing details are inconsistent: dimensions are given as both 34.3 x 17.5 x 4.8 centimetres and 17.5D x 34W x 5H centimetres. The title and bullets claim a rechargeable Bluetooth MIDI keyboard, while the explicit contents list names only a USB cable, so the keyboard package inclusion is unconfirmed. Bluetooth and Mac compatibility and setup also receive mixed customer feedback. Check the selected listing and your intended connection method before buying.
What’s in the box
- USB cableIncluded
- KeyboardCheck selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
A good fit for
- Producers wanting a small controller with keys, pads and knobs for beats, bass lines and synth parts.
- Buyers building a portable MIDI setup who want listed Bluetooth and rechargeable operation.
- Beginners or experienced users seeking a compact controller for DAW software.
Less suited to
- Players who need a full-size keyboard or a wide key range for two-handed performance.
- Buyers who require dependable Bluetooth operation on a Mac without first confirming compatibility.
Customer reviews on Amazon
- 5 stars
56% 56% - 4 stars
24% 24% - 3 stars
10% 10% - 2 stars
5% 5% - 1 star
5% 5%
Customer feedback highlights perceived value for money, but reports mixed experiences with compatibility, Bluetooth and setup. Some customers say a suitable USB cable works well, while others describe Bluetooth issues, particularly on Mac, and find setup less straightforward. For a controller whose listing promotes both Bluetooth and USB, the reports make it sensible to confirm the connection path and software compatibility for your setup. Aggregate ratings lean positive overall, but do not establish performance for a particular device or connection.
Positive themes
- Customers describe the controller as good value for money.
Mixed feedback
- Feedback on Bluetooth connectivity and compatibility is mixed, including reported issues on Mac devices.
- Setup and usability experiences vary, from straightforward to complicated.
Frequently asked questions
Does the RockJam RJMK25 support wireless MIDI?
Bluetooth MIDI is claimed in the title and product details. Customer feedback reports mixed Bluetooth performance, particularly with Mac devices, so confirm compatibility for your setup.
What controls does this MIDI controller have?
The listing describes 25 velocity-sensitive keys, eight backlit pads, eight knobs, an OLED display and a four-way joystick.
Is a USB cable included?
The explicit included-components field lists a USB cable. The keyboard itself is named in the product title but is not corroborated by that package list, so confirm the selected listing's contents.
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