Bose L1 Model 1S System with B1 Bass

12-Speaker Line Array System with B1 Bass

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This product has now been discontinued
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SKU: DJK40207

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Product Description

The Bose L1 system offers a unique combination of performance and portability for an audience of up to 300. With a 12-speaker articulated line array providing 180 degrees of clear, even, sound, the system is also designed to work with the T1 ToneMatch® audio engine as well as a choice in bass modules. Easy to transport, and set up in minutes. 

The Bose L1 Model 1S system plus B1 bass module comprises of:

L1 Model 1S Power Stand

L1 Model 1S Array

B1 Bass module

  • High-performing, powered, portable two-way loudspeaker system with a 195° H x 10° V nominal dispersion designed for the production and reproduction of live music, music playback, speeches and A/V sound reproduction
  • 12-driver articulated line array produces wide, uniform sound coverage throughout the entire listening area—even off to the extreme sides
  • Consistent front-to-back coverage, 12 drivers mounted in a vertical line array produce less drop off in sound pressure level per doubling in distance than a conventional point source
  • Retractable folding leg mechanism for easy transport
  • Lightweight, interlocking components
  • Expandable bass design supports the use of multiple B1 bass modules or a single B2 module
  • Digital ethercon port provides single-wire connectivity for the T1 ToneMatch audio engine



Technical Specs

System Performance

System Type : Self powered, two-way

Frequency Response: (+/-3 dB)1 40 Hz - 12 kHz

Frequency Range: (-10 dB)1 32 Hz - 14 kHz

Nominal Dispersion: 195° H x 10° V

Maximum SPL: @ 1 m2 112 dB SPL (118 dB SPL peak)

Crossover Frequency: 200 Hz (24 dB / octave)


System Power Rating : 375 W

Low-Frequency Amplifier: 250 W

High-Frequency Amplifier: 125 W

Distortion at Rated Power: 0.1 % Max (30 Hz - 15 kHz)

System Limiter Dynamic limiter

Overload Protection Fuse/MOV/NTC/PTC

Power Indicator Blue LED: system on, Red LED: fault


Driver Compliment
Top array loudspeaker: Twelve (12) 2.25" (57 mm) HF drivers
B1 bass module: Two (2) 5.25" (133 mm) LF drivers (8 Ω)
B2 bass module: Two (2) 10" (254 mm) LF drivers (4 Ω)


Signal Indicators:  Analog signal/clip LED: Green: signal present, Yellow: -3 dB below clip, Red: clip (limiter active)

Trim:  +14 dB @ max

Input : 1/4" - TS unbalanced or TRS balanced

Channel Gain (1/4" input) : -50 dB to +28 dB (line)

Maximum Input Signal +24 dBu (balanced)

Input Impedance 10 kΩ +/- 10 % (unbalanced)

Additional Connections

Bass Module out (for B1 or B2 only) : NL4 connector (all pins wired, two for auto sensing). Bass output signal for driving up to two B1 bass modules (1 B1 bass module = 8 Ω) (2 B1 bass modules = 4 Ω) or one B2 bass module (4Ω)

ToneMatch Port : CAT5 Ethernet cable with RJ45 connection providing digital audio and power connection for the optional T1 ToneMatch audio engine

AC Mains:  IEC connector

Dimensions Assembled:  height: 79.4" (2018 mm)

Net Weight
Top array and bottom extension: 25 lb (11.3 kg)
Power Stand: 23.7 lb (10.7 kg)
B1 bass module: 26.6 lb (12.1 kg)
B2 bass module: 45 lb (20.41 kg) 


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Bose L1 Model 1S System with B1 Bass

Delivery And Stock Information

Free next working day delivery on all orders over £100 placed before 3:30pm Monday to Friday.

Orders placed at the weekend or after 3.30pm on Friday will be delivered on the following Tuesday (excluding Bank Holidays).

Larger items / orders e.g large bass speakers or multiple speakers may have to be shipped via a pallet service which may take 1-2 days.

Free next day delivery applies only to the UK mainland for orders over £100. Other locations will be charged as follows

    • Highlands and Islands 2-3 Days* + £25
    • Northern Ireland 2-3 Days* +£10
    • Deliveries will be made subject to the terms and conditions of the courier company. will not be held responsible for late deliveries.

In the event that the items ordered are unavailable for next day delivery, you will be contacted by to arrange a suitable delivery date.

"In stock" means that the product displayed is either in stock with ourselves or our suppliers and is available for delivery. Stock levels are subject to change without prior notice.


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Finance Available!

0% Interest Free Finance!
0% Finance on all orders over £280
10% deposit then 6 months payment of £198.75

You can apply for finance to purchase this item. A minimum 10% deposit is required and you can opt for either 12, 24 or 36 monthly payments thereafter 21.9% APR.

Bose L1 Model 1S System with B1 Bass
from £44.27/month
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