B115

OVERVIEW
Montarbo B115: professional sound anywhere B115 is a professional active 2-way loudspeaker engineered for small PA, live performance, and mobile sound reinforcement applications where high SPL, extended low-frequency reproduction, and reliable portability are required. Featuring a 15" LF transducer with a 2.5" voice coil paired with a 1.35" HF driver, the system offers a frequency response from 50 Hz to 20 kHz and reaches a maximum SPL of 130 dB. A 90° × 60° dispersion pattern ensures controlled coverage for short-to-medium throw environments such as stages, dancefloors, event spaces, and club-style setups. Using a hybrid Class D + A/B amplifier platform rated at 600 W RMS (1200 W peak), B115 delivers robust dynamic performance while maintaining convection-based silent cooling. DSP includes 28/56-bit internal processing with 24-bit / 48 kHz AD/DA conversion and FIR filtering for improved phase coherence. User controls include channel levels, main level, preset selection, input sensitivity, and LINK/MIX routing. Connectivity comprises CH1 Combo, CH2 XLR-F + 1/4" Jack, 3.5 mm AUX mini-jack, and an XLR-M line output for daisy-chain PA configurations. Bluetooth® 5.0 enables stereo wireless playback for multimedia and event use. Constructed from polypropylene for durability and transport efficiency, the cabinet measures 430 × 725 × 405 mm and weighs 21.6 kg-suitable for pole-mounting, stage placement, and portable reinforcement. While primarily optimized for mobile PA applications, B115 can also be utilized in fixed installations requiring elevated SPL and extended low-frequency bandwidth.

FEATURES
- Active 2-way loudspeaker for small PA and portable sound reinforcement
- FIR-based DSP for increased clarity and phase precision
- Extended low-frequency response well suited for live music and DJ systems
- Bluetooth® 5.0 stereo for flexible multimedia playback
- Rugged polypropylene cabinet suitable for portable and occasional installation use

APPLICATION
B115 excels in small PA environments that demand higher output capability, extended bass performance, and reliable portability. It performs effectively in live music venues, small clubs, rehearsal spaces, corporate events, and DJ applications where full-range coverage and strong low-end are essential elements of the system. With controlled dispersion and onboard DSP, Montarbo B115 integrates seamlessly into portable front-of-house systems, stage reinforcement setups, and mobile event rigs. Although primarily designed for portable PA work, it can also serve in fixed installations-such as multipurpose halls, event venues, and institutional facilities-where robust SPL and full-bandwidth coverage are required.

SPECIFICATION SHEET
Acoustical Data
Speaker Type: 2-way Active bass reflex
Frequency Response [-10 dB]: 50 Hz - 20 kHz
Max SPL: 130 dB
HF: 1.35″ driver
LF: 15″ - 2.5″ V.C.
Dispersion: 90° H x 60° V
Crossover Frequency: 1.8 kHz
Amplifier
Amp Class: D + A/B
RMS Power: 600 W
Peak Power: 1200 W
Cooling: Convection
DSP
Advanced Functions: FIR filters 28/56 Bit
AD/DA Converter: 24Bit / 48kHz
Controls: Ch. levels MAIN level PRESET button Channel sens. LINK/MIX selection
Connectors
Dimensions: W x H x D 430 x 725 x 405 mm [16.9" x 28.5" x 15.9"]
Weight: 21.6 kg [47.62 lb]
Cabinet: Polypropilene