Audio amplifiers; CD players; CD recorders; DVD players; DVD recorders; [ MD players; MD recorders; ] digital sound recorders; audio mixers; digital audio mixers; audio signal converters; Digital to Analog Converters; stereo tuners; audio receivers; cassette tape recorders; digital audio tape recorders; audio multi-track recorders; loudspeakers; headphones; headphone amplifiers; mixing consoles, namely, electronic sound mixing apparatus; microphones; microphones for digital single-lens reflex (DSLR) cameras; microphone preamps; microphone windscreens; stereo condenser microphones; surround sound processors; vocal processors; integrated circuit recorders; memory card players; memory card recorders; flash memory players and recorders; MP3 players and recorders; solid-state memory recorders; portable digital audio recorders with chromatic tuners; USB audio interfaces for computers, namely, audio interface units for transmitting digital signals to computers via USB; audio interface units for connecting computers to audio and video equipment; interfaces, namely, audio signal interfaces for input and output; digital audio network receivers; control surface for digital audio workstation for editing and mixing audio signals; digital audio workstation comprised of computer hardware and software used to manipulate, edit, record, play and create digital audio data; computer software for music production; computer software for digital audio workstations for recordings, editing and reproducing digital audio; computer software for creating, recording, reproducing, editing, mixing, uploading and sharing of music; computer software that allows access to, and real time interactive control of digitally recorded musical instrument sounds; remote controls for hand-held audio recorders; remote controls to flash start sounds through audio recorders, which are used in broadcasting and recording studios; hard disk recorders; accessory kits for portable and handheld digital, audio players comprising microphone windscreens and carry cases; footswitches for use with audio players and recorders; [ blank recording media in the nature of compact flash cards, optical discs, CDs and DVDs, all sold as a unit; ] battery packs; electronic sound system for synchronizing time codes of multiple digital audio components, namely, master, clock, generator