The award-winning Veritas series from Bose Professional delivers superior background/foreground music, paging and multimedia for commercial applications. Bluetooth® 5.0 wireless input and user-intuitive OLED screen with quick-start QR code simplify setup—whether you’re a pro installer or a DIYer. With four models to choose from, Veritas amplifiers offer the perfect combination of power, performance and flexibility.
The 250BL is perfect choice for DIYers looking for professional-grade audio without the complexity. A flexible choice for low-impedance 4/8-ohm systems, the 250BL is ideal for smaller rooms, boutique shops, and localized sound installations. Weighing just 4.4 pounds, its compact half-rack design allows for easy, discreet mounting virtually anywhere.
FEATURES
Premium amplification with advanced DSP for optimized performance
Bluetooth connectivity and RCA connectivity—no wire splicing required
Intuitive front-panel OLED screen for easy setup and control
Included bracket accessory for mount-anywhere flexibility
Embedded quick-start QR code in the OLED screen simplifies installation
Supports low-impedance (4–8Ω) applications
Remote level control with Bose Professional or third-party wall controllers
Dynamic EQ adjusts bass levels to achieve a fuller sound even at low volumes
Up to 30 selectable EQ presets ensure Bose Professional signature sound performance and long-term reliability
Opti-Voice paging feature ensures clear speech intelligibility
Convection cooling for fanless operation in quiet installs such as offices and conference rooms
Applications
Designed for a wide range of applications, including:
Retail stores
Restaurants and bars
Hospitality venues
Conference centers
Schools
Auxiliary zones
SPECS
Technical Specification
AMPLIFICATION
Channel Separation (Crosstalk)
≤ -60 dBV below rated power, 1 kHz
Dynamic Range
88 dB
Frequency Response
40 Hz – 18 kHz (+0/-3 dB, @ 1 W reference 1 kHz)
Rated Power, Symmetrical
2 × 50 W at 4 Ω / 2 × 25 W @ 8 Ω
THD+N
≤0.3 % (at full rated power)
AUDIO INPUTS, ANALOG
Input Channels
(2) unbalanced line, (2) balanced mic/line
Connectors
(2) RCA stereo pairs, (1) XLR/1/4-in, (1) 4-pin Euroblock
Input Impedance
20 kΩ (line), 2.4 kΩ (page)
Input Range
-10 dBV to +10 dBV (line), -60 dBV to +10 dBV (page)
Maximum Input Level
+10 dBV (line), +10 dBV (page)
Nominal Input Level
0 dBV (line), -40 dBV (page)
Sensitivity
-10 dBV (line), -58 dBV (page)
AUDIO OUTPUTS, ANALOG
Channels
(2) loudspeaker, (1) unbalanced line
Connectors
(2) 2-pin inverted Euroblock, (1) RCA stereo pair
Nominal Output Level
2 × 50 W @ 4 Ω min; 2 × 25 W @ 8 Ω max (loudspeaker), 0 dBV max (auxiliary)
Output Impedance
4 Ω (loudspeaker), 400 Ω (auxiliary)
ELECTRICAL
Mains Connector
IEC C14 inlet
Mains Voltage
100–240 VAC (±10%), 50/60 Hz
Protections
High temperature, output short
AC Power Consumption
15 W idle, 200 W maximum
INDICATORS AND CONTROLS
Controls, Front Panel
Power on/off switch, input select switch (A/Bluetooth/B), input gain knob (XLR/1/4-in), rotary encoder
Controls, Rear Panel
Input gain knobs (A, B, page), mute connector, ControlCenter port
INTEGRATED DSP
A/D and D/A Converters
48 kHz / 24-bit
Audio Latency
10.4 ms (any input to speaker output or aux output)
Presets
Flat, 80 Hz high-pass filter, AMU105, AMU108, DesignMax (all models), EdgeMax (all models), FreeSpace FS (all models), subwoofer
Processing Functions
Loudspeaker EQ, Opti-Voice paging, Dynamic EQ
PHYSICAL
Cooling System
Natural convection
Product Dimensions (H×W×D)
44 mm × 214 mm × 310 mm (1.7 in × 8.4 in × 12.2 in)
Net Weight
2.0 kg (4.4 lb)
Shipping Weight
2.9 kg (6.4 lb)
