The Positive Grid Spark Edge is a versatile 65-watt amplifier and PA system designed for musicians seeking comprehensive audio performance in a compact format. This four-channel amplifier accommodates electric guitar, acoustic guitar, bass guitar, keyboards, and vocal microphones through its dual combo inputs, which accept both XLR and 6.35mm connections. Channels 3 and 4 feature TRS inputs that can function as a single stereo input, ideal for keyboards or drum machines. The system integrates a 16.5 cm woofer and a 2.54 cm tweeter with 120-degree sound dispersion, enhanced by Positive Grid's Sonic IQ audio engine for an immersive listening experience. With 36 amplifier models and 50 effects specifically tailored for electric guitar, acoustic guitar, bass, and vocals, users achieve professional sound quality across various instruments. Each of channels 1 and 2 offers eight programmable presets, totaling 16 customizable settings for quick sound changes. The built-in 60-second looper allows for layered performances during solo sessions. Bluetooth 5.0 enables audio streaming from compatible devices to play along with favorite tracks, while Wi-Fi supports wireless firmware updates without a computer connection. Connectivity options include a headphone output for silent practice, stereo line-out for external mixing systems, and a USB-C connection as a 2-in/2-out audio interface with 24-bit/48kHz resolution for DAW recordings. The tiltable cabinet features a built-in handle and interchangeable front panel for improved portability and customization. Dimensions are 23.8 x 24.2 x 33.3 cm with a weight of 6.2 kg without the battery. Optional accessories include a rechargeable battery for up to 10 hours of operation and the Spark Control X footswitch for extended control options.