Boss Micro-BR Digital Recorder

Description of the Boss Micro-BR Digital Recorder

Meet the ultimate palmtop recording studio. Only slightly larger than an iPod, the tiny-yet-powerful Boss Micro BR is a dream for musicians on the go. The Micro BR offers four simultaneous playback tracks (plus 32 V-Tracks), an SD Card slot, onboard multi-effects, built-in rhythm patterns, a tuner, MP3 compatibility, USB, and more. No guitar case or gig bag should be without one!

Features of the Boss Micro-BR Digital Recorder

Ultra portable, only slightly larger than an iPod
4-track playback, 32 V-Tracks
SD Card slot for recording media (128MB card included)
Classic Boss Multi-effects onboard add polish to your music
Time-Stretch and Centre Cancel features allow easy practice and phase-training
293 rhythm patterns on board to get you started
MP3 compatible
Built-in tuner and microphone
USB port for data transfer with computers
Free carry case included

Extended Description of the Boss Micro-BR Digital Recorder

BR in Pocket

The Boss Micro-BR is so small you can put it in your pocket! It measures just 136.0mm x 81.0 mm x 21.4 mm (5-3/8" x3-3/16" x 7/8"). But even though it's a shrimp, the Micro-BR packs an entire studio worth of features into its tiny case. There are a dozen buttons on its front panel, nine knobs, and even a built-in microphone for quick capture.

Four Tracks & More

At its core, the Boss Micro BR is a four-track studio with four simultaneous playback tracks and two simultaneous record / input tracks. However, there’s more to this recorder than meets the eye. Each of the four main playback tracks also has eight companion V-Tracks (for a total of 32), so you can record take after take after take, then pick your best material for final mixdown.

Drum Machine & Effects Onboard

Given the Boss Micro BR's small size and low price, you might be surprisedto find the next two features onboard: (1) Almost 300 drum patterns are included.Use them for play-along inspiration or even as song foundations. The rhythms don’t consume any of the four playback tracks — they play back independently leaving your tracks free for vocals and guitar. (2) A quality multi-effects processor is built into the Micro BR for enhancing your recordings and for creative experimentation. Amp modeling, compressor, delay... they're all here. And if you want to change the tempo of your MP3 audio without changing pitch (great for phrase training), you can apply the MicroBR's Time Stretch effect to MP3 or WAV file playback. In addition, Micro BR's Center Cancel feature can be applied to MP3/ WAV file playback, which helps minimize the vocal or lead-guitar track on pre-recorded songs for play-along style practice or performance.

Tune-in and Drop Out

The Boss MicroBR also includes a no-nonsence guitar tuner, cutting down on the amount of extra gear you have to carry with you. Press the tuner button, nail your note and you're off.

SD Recording

There are no moving parts inside the Boss Micro-BR. It’s a road-tough, memory-card-based digital recorder. The recording media of choice is the internationally recognized SD (Secure Digital) Card, which can be easily found in electronics shops that sell digital cameras. One tiny SD Card can store your sessions. The included 128MB card, for example, can record approximately 65 minutes of audio with with one mono track selected.

Specifications of the Boss Micro-BR Digital Recorder

Tracks	4, V-Track: 32 (8 V-Track per each Track), Up to 2 tracks can be recorded simultaneously, Up to 4 tracks can be played back simultaneously
External Memory Capacity	SD Card: 32 M-1G bytes
Data Type	HiFi (MT2), STANDARD (LV1), LONG (LV2),
Audio Data Type (MP3 Mode)	MP3 (192 kbps, 44.1 kHz), MP3 (128 kbps, 44.1 kHz), MP3 (64 kbps, 44.1 kHz), WAV (44.1 kHz, 16 bits) The MICRO BR can play the MP3 in bit rate range of 64--320 kbps.
Signal Processing	AD Conversion: 24 bits + AF method (GUITAR IN, onboard mic), 24 bits (LINE IN/MIC), DA Conversion: 24 bits AF method (Adaptive Focus method) Adaptive Focus is a unique Roland/BOSS technology that allows the signal noise (S/N) ratios of AD and DA converters to be vastly improved.
Sample Rate	44.1 kHz
Frequency Response	20 Hz to 20 kHz
Recording Time (conversion in one track)	HiFi (MT2)/STD (LV1)/LONG (LV2) 32 MB-15 min. 18 min. 23 min. 64 MB-31 min. 38 min. 47 min. 128 MB-64 min. 76 min. 96 min. 256 MB-128 min. 154 min. 192 min. 512 MB-257 min. 309 min. 386 min. 1 GB-502 min. 604 min. 755 min. The above-listed recording times are approximate. Times may be slightly shorter depending on the number of songs that were created. The above number is the total for all the tracks that are used. If each of the four tracks contain an equal amount of data, the length of the resulting song will be approximately 1/4 of the above. The memory capacity (recording time) decreases when the MP3 file etc. exist in the memory.
Recording Time (conversion in MP3 mode, Stereo)	MP3 WAV 64 kbps/128 kbps/192 kbps 32 MB-65 min 32 min 21 min 2 min 64 MB-131 min 65 min 43 min 5 min 128 MB-265 min 132 min 88 min 12 min 256 MB-531 min 265 min 177 min 24 min 512 MB-1065 min 532 min 355 min 48 min 1 GB-2081 min 1040 min 693 min 94 min The above-listed recording times are approximate. Times may be slightly shorter depending on the number of MP3/WAV files that were created. The memory capacity (recording time) decreases when the track data (Song) exist in the memory.
Nominal Input Level (Variable)	GUITAR / BASS jack: -20 dBu, LINE IN / MIC jack: LINE: -10 dBu (LINE), MIC: -40 dBu (EXT MIC)
Input Impedance	GUITAR / BASS jack: 1 M ohms, LINE IN / MIC jack: LINE: 16 k ohms, EXT MIC, Plug-in Power = OFF: 18 k ohms, EXT MIC, Plug-in Power = ON: 2.2 k ohms
Nominal Output Level	PHONES / LINE OUT jack: -10 dBu
Nominal Output Impedance	PHONES / LINE OUT jack: 33 ohms
Recommended Load Impedance	PHONES / LINE OUT jack: 16-100 ohms (PHONES), LINE: 1 k ohms or greater (LINE OUT)
Interface	USB Connector (mini B type)
Display	16 Characters x 2 Lines, 22 icons (White Backlit LCD)
Connectors	GUITAR / BASS jack (1/4 inch phone type), LINE IN / MIC jack (Stereo miniature phone type, supports Plug-in Power), PHONES / LINE OUT jack (Stereo miniature phone type), USB connector (mini B type)
Power Supply	DC 3 V: Dry battery LR6 (AA) type (alkaline) x 2, DC 9 V: Supply AC Adaptor (PSA series: sold separately)
Current Draw	140 mA (when you use the PSA series), 320 mA (when you use the dry batteries)
Expected battery life uner continuous use	Alkaline dry cell batteries Approximately 6 hours (with power save function) * The time may vary according to usage conditions, batteries used, and type of SD memory card used.
Accessories	Soft Case, Size AA alkaline dry cell battery x 2, Demo card (128 MB SD Memory Card:Already inserted when the MICRO BR is shipped), Owner's Manual, Leaflets (About Memory Cards, Information/Effect Patch List)
Option	AC Adaptor: PSA-Series
SIZE AND WEIGHT
Width	136 mm/ 5-3/8 inches
Depth	82 mm/ 3-1/4 inches
Height	22 mm/ 0-7/8 inches
Weight (excluding SD memory card and batteries)	0.1 kg/ 5 oz.

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