I purchased this amp used as a practice amp and have been very pleased with it.  I primarily use the Fender Fuse software to dial in the sound I want.  Fender Fuse Software and the manual are available for download at Guitarist Guild, manuallib, and other platforms. 

Here’s the clinical data:  * Amplifier Type: Solid State * 40 Watts * Speaker: 12" * Inputs: One * Channels: One channel (with 24 presets) * Controls: Gain, Volume, Treble, Bass, Master, Preset Select, Modulation Select, Delay/Reverb Select, Save Button, Exit Button, Tap Tempo Button * Effects: 12 Modulation Effects Including Chorus, Flanger, Tremolo, Vibratone, Octaver, Phaser, Step Filter; 12 Delay/Reverb Effects Including Tape Delay, Stereo/Mono Delay, Room/Plate /Hall Reverb * Auxiliary Input: 1/8” Stereo Input Jack * Headphone Jack: 1/8\" Headphone Jack * Line Out: Speaker Emulated USB Output; 1/8” Headphone jack.  Includes power cable.

Additional information:

The Fender Mustang II V2 is a powerhouse of versatility and tone, packed into a compact, stylish 40-watt modeling amp. Known for its blend of cutting-edge technology and classic Fender aesthetic, this amp is ideal for players looking to experiment with a wide variety of sounds without breaking the bank—or their back.

This amp features an array of onboard amp models and effects, from shimmering cleans to growling overdrives and everything in between. With its intuitive controls and USB connectivity, it’s easy to customize your tones and expand your sonic palette using Fender’s FUSE software. Whether you’re dialing in classic tones or venturing into uncharted sonic territory, the Mustang II V2 is your all-in-one rig for practice, recording, or small gigs.