JOYO MOMIX-Cab Guitar Audio Interface for Phones with Direct Monitoring

Capture a guitar idea on your phone during practice or rehearsal with the JOYO MOMIX-Cab. It connects a guitar and headphones to a phone for recording, while its clip-on design makes it easy to carry with your gear.

The key distinction is direct monitoring: the headphone output carries the guitar’s dry signal alongside phone audio. That suits recording a clean guitar track or playing along with a backing track, but the dry signal cannot be muted, so it is not designed for monitoring only app-based amp simulations or effects.

Connection is plug and play, with no separate battery or driver installation listed. Android use requires OTG to be enabled, and the supplied USB-C cable is specified for connection, compatibility can vary by phone.

Tech summary

• Name: JOYO MOMIX-Cab
• Type: Phone guitar audio interface
• Guitar input: 6.35mm
• Headphone output: 3.5mm
• Connectivity: USB-C and Lightning connection options
• Sample rate: 48 kHz
• Sampling accuracy: 16 bit
• Dimensions: 1.14 x 2.52 x 0.79 inches
• Weight: 20 g
• Compatibility: Android and iOS phones, Android may require OTG

The small format is aimed at a simple phone-based recording setup rather than a full recording interface or mixer. A signal light indicates when the input is too high, giving you a cue to lower the guitar volume if the signal is peaking. The headphone connection is for monitoring, not an additional input.

How to use it

Connect the interface to the phone using the included USB-C cable or the Lightning adapter, then connect a guitar to the 6.35mm input and headphones to the 3.5mm output. On Android, enable OTG in the phone settings and use the built-in Recorder app or a compatible recording app. The product information does not guarantee compatibility with every phone or recording app, so this is best treated as a straightforward direct-recording tool rather than a universal mobile studio.

The direct guitar signal is intended to be heard while phone audio plays. That makes it useful for practicing with a backing track, capturing a dry performance, or recording a playing video. It is a different approach from an interface designed to let you monitor processed software effects. Buyers describe setup as simple and mention use with GarageBand on iOS, but feedback on sound and connection is mixed, some also report buzzing or latency issues.

Included in the package

The listed components are a Type-C male-to-male cable and a smartphone port converter for Lightning connections. The interface is powered through the phone, so no separate charging step is listed. Because the supplied cable is specifically called out in the usage notes, relying on a different USB-C cable may affect whether the connection works.

Is it worth it?

A solid pick if you want a pocket-size way to connect a guitar and headphones to a phone for dry recording or practice with phone audio. The clip design and included connection options keep the setup focused and portable, without adding a separate mixer to the bag.

It may not suit you if your workflow depends on hearing only app-based amp or effects processing: the guitar’s direct signal remains audible. If you prioritize broader phone compatibility or a processed monitoring path, a more capable interface may be a better fit. The MOMIX-Cab’s appeal is its simple direct-monitoring use, not extensive recording controls.