Amazon.com: IK Multimedia iRig Micro Amp 15W Battery-Powered Guitar Amplifier with iOS/USB Interface (IP-iRig-Microamp-In) : Musical Instruments
Mini Laney guitar amps can be controlled by your iPhone
Guitar Link Audio Interface Cable AMP Amplifier I Rig Converter Effects Pedal Adapter Tuner System Convertor for iPhone iPad|Other Parts & Accessories| - AliExpress
Six best tone apps for guitarists in 2020 | Guitar.com | All Things Guitar
Roland Cube Lite Guitar Amplifier (Black) CUBE-LT-BK B&H Photo
Play the Amp in GarageBand for iPhone - Apple Support (HK)
Line 6 Mobile In app turns your iPad or iPhone into a multi-effect amp -- party on, Wayne | Engadget