Your tone is your identity. Craft yours precisely with the Boss ME-90B bass processor. With 61 effects tailored for bass, including 10 bass preamps featuring the latest AIRD technology, the ME-90B offers unparalleled versatility. Easily connect to stage amps, house PA systems, and computers without additional gear. An onboard expression pedal and direct-access footswitches ensure seamless creativity and performance. The classic BOSS ME interface facilitates classic stompbox-style operation, with each effect category featuring independent parameter knobs for real-time tone tweaking. The ME-90B comes equipped with premium selections from the BOSS bass effects library, organized into six logical sections that can be used simultaneously, covering everything from essential tone shaping to more aggressive textures and dedicated effects for the onboard expression pedal. The Preamp/EQ section boasts ten inspiring preamp types with advanced AIRD technology, providing studio-quality sound for direct USB recording or headphone practice. With versatile connectivity options and a compact, battery-powered design, the ME-90B is suitable for any playing scenario, offering mono or stereo operation, balanced DI output, and USB recording compatibility. BOSS Tone Studio software further extends your creative possibilities, allowing tone editing, memory organization, and sharing Livesets with the global ME-90B community. Plus, with the optional Bluetooth® Audio MIDI Dual Adaptor, you can wirelessly stream music and control tones via the BTS editor app for iOS and Android devices.Boss ME-90B Includes:STARTUP GUIDEAlkaline battery (AA, LR6) x 4Leaflet "USING THE UNIT SAFELYBoss ME-90B Features:All-in-one bass processor with premium BOSS amps and effectsEasy stompbox-style sound creation with an intuitive knob-based interfaceSuperior sound quality with 24-bit AD and 32-bit DA conversion, 32-bit floating-point processing, and 48 kHz sampling rate61 effects from the BOSS bass effects libraryTen onboard AIRD preamp models including newly developed typesDedicated preamp section plus six simultaneous effect categories with multiple types to choose fromEdit parameters, swap out preamp and effect types, and more with BOSS Tone StudioEight multi-function footswitches and an expression pedal with toe switch36 ready-to-play preset memories and 36 user memories for storing custom setupsManual mode for pedalboard-style operation and Memory mode for switching complete setupsBlend knob for mixing in the direct bass soundStereo 1/4-inch outputs and mono XLR balanced output with ground lift switchRear-panel switch to optimize the 1/4-inch audio outputs for a bass amp or full-range sound systemSend/return loop for external pedalsLight, durable design and colorful status LEDsLoad up to three user speaker IRsPowered via four AA batteries or optional AC adapterUSB-C® connector for communicating with BOSS Tone Studio and audio recording/playback with music production softwareDownload and share ME-90B Livesets on BOSS Tone ExchangeOptional Bluetooth® Audio MIDI Dual Adapter allows you to edit sounds and stream audio from an iOS or Android mobile deviceBoss ME-90B Specifications:Sampling Frequency: 48 kHzAD Conversion24 bits + AF methodAF method (Adaptive Focus method) This is a proprietary method from Roland & BOSS that vastly improves the signal-to-noise (SN) ratio of the AD converters.DA Conversion: 32 bitsProcessing: 32-bit floating pointEffects: 93 TypesMemories: 36 (User) + 36 (Preset)Phrase Loop: 38 sec. (MONO)Internal Tuning Detection Accuracy: ±0.1 centNominal Input LevelINPUT: -10 dBuRETURN: -10 dBuMaximum Input LevelINPUT: +7 dBuRETURN: + 7dBuInput ImpedanceINPUT: 1 M ohmRETURN: 1 M ohmNominal Output LevelOUTPUT L/MONO､R: -10 dBuPHONES: -10 dBuSEND: -10 dBuBALANCED OUTPUT: -10 dBuOutput ImpedanceOUTPUT L/MONO, R: 1 k ohmPHONES: 44 ohmsSEND: 1 k ohmBALANCED OUTPUT: 600 ohmsRecommended Load ImpedanceOUTPUT L/MONO, R: 10 k ohms or greaterPHONES: 44 ohms or greaterSEND: 10 k ohms or greaterBALANCED OUTPUT: 600 ohms or greaterControlsBANK▼/AMP/EQ switch, BANK▲/MOD switch, CTL/BLEND switch,MEMORY/MANUAL switch, 1/COMP switch, 2/FILTER switch,3/DRV/SYN switch, 4/DLY/REV switch, PEDAL FX switch,GND LIFT switch, AMP/LINE switch, POWER switch,EXIT button, WRITE button, CTL button, EDIT button,PREAMP TYPE knob, BASS knob, MIDDLE knob, TREBLE knob, GAIN knob, LEVEL knob, ､MOD TYPE knob, TYPE knob, RATE/TIME knob, DEPTH/DUTY/FB knob, E.LEV/RESO knob,BLEMD knob,COMP/FX1 TYPE knob, SUSTAIN/LOW/-1OCT knob, ATTACK/HIGH/-2OCT knob, LEVEL/DIRECT knob,FILTER/FX2 TYPE knob, SENS/RATE/KEY knob, TONE/DEPTH/HRM knob, PEAK/LEVEL/RESO knob,DRIVE/SYNTH TYPE knob, DRIVE knob, TONE knob, LEVEL knob,DLY/REV TYPE knob, TIME knob, FEEDBACK/TONE knob, E.LEVEL knob, OUTPUT LEVEL knob, PEDAL FX TYPE knob,Display7 segments, 2 characters (LED)Tuning guides (LED)ConnectorsINPUT jack, OUTPUT (L/MONO, R) jacks, SEND jack, RETURN jack: ... Boss ME-90B Bass