Built-in omni-directional microphones Stereo mini headphone jack for external stereo microphones (provides plug-in power) / External line input Tempo change (VSA) function for adjusting the speed from 0.5 to 1.5 times (in 0.1 increments) Chromatic tuner, Powered by 2 AA batteries, USB power or optional AC adapter (Tascam PS-P515U), MicroSD 4GB card included Refer page 17 of user manual below for trouble shooting volume issues TASCAM’s DR-05 brings high-quality stereo recording to an easy-to-use portable powerhouse with a size and price that anyone can handle. The DR-05 records in MP3 or WAV format – including 96kHz/24-bit high-resolution audio – to microSD or microSDHC media. A pair of all-new microphones handles up to 125dB SPL with the sensitivity to capture every detail. With new recording features like Peak Reduction and Quick Menu, the DR-05 puts album-quality recording in the palm of your hand. Premium-quality Sound Everything about the DR-05 is designed to get the best quality recordings of your music. A new pair of built-in microphones withstands up to 125dB SPL – the volume of a jet plane from 200 feet away – yet still have the sensitivity to capture every detail of a performance. You can add your own microphone or line-level source through the 1/8” stereo input, including plug-in power for microphones that need it. Simple to Operate The layout of the DR-05 has been revamped to be quick and easy to work with one thumb. Operations like recording, adjusting levels, deleting bad takes and adding markers are just a button press away. Dig deeper to find features like limiting, low cut filtering, a built-in chromatic tuner and more. Classic TASCAM features are included, like Variable Speed Audition to loop and slow down music without changing the pitch – perfect for transcribing or learning new music. A Level Align function can be switched on for playback, to smooth out any sudden volume jumps, and a built-in speaker is also provided. The two AA batteries are enough to power the recorder for 17 1/2 hours, even while recording at CD quality. For musicians and recordists at any stage of their career, there’s no easier way to get great-sounding recordings than TASCAM’s DR-05.