{"product_id":"boss-db-90-dr-beat-metronome","title":"BOSS DB-90 Dr. Beat Metronome","description":"\u003cp\u003eMake practice sessions more musical with a professional metronome built around flexible sounds, realistic drum patterns, hands-on controls, and dedicated training tools. The flagship Dr. Beat model combines a large backlit display with an intuitive panel of sliders, buttons, and a rotary dial, providing immediate access to tempo, rhythm, and practice functions.\u003c\/p\u003e\u003ch3\u003eBetter Beats, Better Practice\u003c\/h3\u003e\u003cp\u003eNote Mixing lets you build custom beats by independently adjusting five note-value levels. Four selectable metronome sounds include a human voice count that helps you keep track of your position in the measure. Thirty PCM rhythm patterns cover styles such as 8-beat, 16-beat, shuffle, funk, jazz, blues, techno, house, country, reggae, clave, salsa, rumba, bossa nova, samba, waltz, tango, mambo, cha-cha, and march.\u003c\/p\u003e\u003ch3\u003eRhythm Coach\u003c\/h3\u003e\u003cp\u003eFour training modes help develop timing accuracy, speed, and endurance. The built-in microphone detects acoustic drums and rubber practice pads, while the Trigger input accepts an optional Roland V-Pad. Time Check, Quiet Count, Gradual Up\/Down, and Step Up\/Down exercises provide structured ways to measure progress and strengthen rhythmic control.\u003c\/p\u003e\u003ch3\u003eFlexible Connections\u003c\/h3\u003e\u003cp\u003eGuitarists and bassists can connect directly to the instrument input and monitor through headphones without additional equipment. Two headphone connections accommodate 1\/4-inch and stereo miniature plugs. MIDI input allows synchronization with an external sequencer, and optional footswitches can provide hands-free start\/stop and memory selection. The Reference Tone function supports ear-based tuning practice across a five-octave range.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTempo range from 30 to 250 BPM with ±0.1 percent accuracy\u003c\/li\u003e\n\u003cli\u003eNote Mixing with five dedicated rhythm-level sliders\u003c\/li\u003e\n\u003cli\u003eThirty built-in PCM rhythm patterns\u003c\/li\u003e\n\u003cli\u003eFour metronome sounds, including a human voice count\u003c\/li\u003e\n\u003cli\u003eRhythm Coach with four training modes\u003c\/li\u003e\n\u003cli\u003eBuilt-in microphone for acoustic drums and practice pads\u003c\/li\u003e\n\u003cli\u003eTrigger input for an optional Roland V-Pad\u003c\/li\u003e\n\u003cli\u003eReference Tone function with adjustable concert pitch\u003c\/li\u003e\n\u003cli\u003eDirect guitar or bass input with headphone monitoring\u003c\/li\u003e\n\u003cli\u003eMIDI input for synchronization with external equipment\u003c\/li\u003e\n\u003cli\u003eFootswitch support for start\/stop and memory selection\u003c\/li\u003e\n\u003cli\u003eFifty metronome memories and ten reference-tone memories\u003c\/li\u003e\n\u003cli\u003eLarge backlit LCD with dual tempo indicator LEDs\u003c\/li\u003e\n\u003cli\u003eAutomatic power-off after 60 minutes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTempo:\u003c\/strong\u003e 30 to 250 BPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeat:\u003c\/strong\u003e Beat 1, 1 to 9; Beat 2, off or 1 to 9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference pitch:\u003c\/strong\u003e A4 = 438 to 445 Hz in 1 Hz steps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference-tone range:\u003c\/strong\u003e C2 to B6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnections:\u003c\/strong\u003e Trigger input, start\/stop footswitch, memory up\/down footswitch, MIDI input, 1\/4-inch headphones, stereo miniature headphones, instrument input, and AC adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 9V battery or optional BOSS PSA-series adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent draw:\u003c\/strong\u003e 85 mA or less with reference tone; 190 mA or less with input signal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 4-13\/16 x 6-1\/2 x 1-1\/2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1 lb including battery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e 9V battery, soft case, owner’s manual, and M8 BOSS nut\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BOSS","offers":[{"title":"Default Title","offer_id":67676332654741,"sku":"Z-210000005249-1","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/4348\/5077\/files\/166141.jpg?v=1791587575","url":"https:\/\/zstringmusic.com\/products\/boss-db-90-dr-beat-metronome","provider":"Z String Music","version":"1.0","type":"link"}