Lightest Portable Tone-To-Go, A Mini Marvel Nanotechnology breaks the sound barrier with the  X4C Nanobass Multi Instrument Combo Amplifier , which is the most compact and portable combo amplifier ever designed by Phil Jones Bass for desktop and practice applications. It is a highly efficient mini engineering marvel that redefines transportability and “Tone To Go”.   It is a 35 Watt amplifier with a 4” speaker and 3 Band EQ that not only rocks with bass; it will also provide dazzling tone for other instruments including guitar, ukulele, violin, and electronic drums. The practical and versatile design includes an auxiliary input compatible with iPads, iPods and drum machines, and is Bluetooth equipped for music listening enjoyment and other applications.   PJB’s proprietary NeoPower 4-inch speaker delivers full frequency range that achieves ultimate tonal clarity and transparency for instruments as well as high-fidelity sound to any source fed into the auxiliary and Bluetooth inputs. The USB C to Powerbank option on the X4C provides you with the freedom to play anywhere, making it a perfect choice for jamming or busking when AC isn’t available (power bank not included and must comply with the specifications provided). The USB Type-C port is for Power Delivery from a 20-Volt Laptop power bank. The higher the capacity in mAH, the longer the amplifier will be able to work. 20,000MAH will be a good start. We suggest a unit that has the capacity to supply at least 65 watts, (