Big Gig Rig 25 - Passive 3200w RMS 10" Tops And 18" Subwoofer PA System


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Earn 8970 Sound Points!

For touring or installation this PA system comprises of:

4 x BB110 Beta 10" Trapezoidal 300w RMS 8 Ohm Full Range Speakers

2 x BD118s Delta 18" Birch Plywood Passive 1000w RMS 8 Ohm Subwoofers

Key Features:

  • Sound for up to 1200+ Audience
  • 100% Long Lasting 18 and 15mm 13 ply Marine Birch Plywood
  • 4 Coats of thick Jet Black PU paint
  • Gorilla Glued Screwed and bolted
  • BishopSound Cast Alloy purpose-designed drivers
  • Heavy-Duty Recessed 16 gauge powder-coated grille with acoustic foam behind to prevent water ingression
  • Point source - 120-degree x 60-degree Dispersion
  • British Engineering -  British Design - UK Stock
  • British Made Waterproof Covers Available

Fitting out a cinema, theatre, hall, pub, gym, club or studio the sound this system reproduces is clear, clean and crisp with plenty of punch when called upon.

For installation its simply one speaker in each corner and hide the subs under the stage.

The in/out Speakon speaker sockets on each 8 Ohm speaker mean easy linking and simple setups. The 10" speakers feature M8 flying points and a 35mm pole mount to make installation simple and fast. Wall brackets or T-Frames make life very simple.

The BishopSound 4 channel BP44K amplifier will drive this passive system with ease. Study the amplifier section of building your own bundle.


T-Bars and M20 35mm telescopic poles are not included in this Big Gig Rig but can be purchased from our accessories section. 

BB110 - Summary

Constructed using our own specification Danish MDF for the perfect balance of tone and weight. The super tough paint finish and thick metal grille protect the speaker.

The tone is British and designed for our music. Watch your customers sit up and listen to our amazing clarity of tone. Read the stunning technical specifications of the cabinet which houses my superb BDP10 Cast alloy 63cm double wound voice coil.

Key Features

  • 3mm Rust-resistant Powder Coated Grille
  • Trapezoidal design
  • 2-way full-range loudspeaker and stage monitor for portable PA applications
  • Genuine 300 Watts RMS 600 Watts continuous, 1,200 Watts peak power
  • 4 Coats of durable PU chip-proof paint
  • High excursion 10" low-frequency BDP10 Cast Alloy BishopSound driver with low mass voice coil for improved transient response
  • Titanium dome 34.4mm 70w RMS compression driver with extended high-frequency reproduction BRC135 Made By BishopSound
  • Low distortion waveguide provides 90 x 60
  • Rugged powder-coated 3mm thick perforated steel mesh grille
  • Top handle for easy lifting and carrying
  • 35mm pole mount for accurate audience coverage
  • Neutrik Speakon NL4 connectors in/out for reliable long-life operation

Beta Speakers are perfect for all applications where you want a warm and crystal clear "British Tone" NOT the Chinese, German, Italian or American tone. We have been making the Beta Speakers for over 30 years and our ears love them because we hear every note.

Experience the sensational British tone of the Trapezoidal BETA B110 Listen, feel the warmth and enjoy hearing every note projected with British precision.


  • 300W (RMS) / 1200W (peak) power handling
  • British Designed 10''/1'' full range mid/high unit
  • Horn dispersion (90° x 60°)
  • 10'' low/mid speaker with 2.5" Inside/ outside windings copper voice coil
  • BRC135 1'' Titanium HF driver with a 1.35'' voice coil
  • Maximum SPL of up to 127dB 
  • Fitted with our BDP10 driver
  • Rugged birch multiplex/MDF hybrid enclosure
  • RMS: 300W
  • Program: 600W
  • Peak: 1200W
  • Nominal Impedance: 8 Ohms
  • Frequency Response: 58Hz - 20kHz
  • Protection Crossover
  • Connections: 2 x SpeakON NL4 in and out
  • Pole Mount: 35mm
  • Rigging Points: 10 x M8
  • Handles: Top Cut Out
  • Enclosure: Hybrid (birch multiplex / MDF)
  • Grille: 2mm metal grille backed with black acoustic foam
  • Finish: Acrylic enamel, black
  • 10'', two-way, point source speaker
  • Max SPL 127dB peak
  • Trapezoidal, 15mm wooden enclosure
  • Countersunk Extra Tick "ding proof" grille to prevent grill damage when on tour
  • Acoustic foam behind the grille to prevent moisture and dust ingression
  • Weight = 12kg
  • Dimensions  = 31cm x 33cm x 53cm

The Driver in the BB110 is our BDP10


  • FS Hz 58 Hz
  • RE Ohms 5.7 Ohms
  • Qms 6.08
  • Qes 0.33
  • Qts 0.313
  • Vas Litres 41
  • Vd Litres 0.208
  • CMS mm/N 0.211
  • BL T/m 15.3
  • Mms g 37
  • Xmax mm 5.5
  • Sd cm2 378
  • Efficiency % 2.36


  • Nominal Chassis Diameter 10" / 254 mm
  • Impedance 8 Ohms
  • Power Handling 300 w (A.E.S.)
  • Peak Power (6dB Crest Factor) 1200 w (A.E.S.)
  • Usable Frequency Range -6dB 45 Hz - 5 kHz
  • Sensitivity (1 w - 1 m) 97.5 dB
  • Moving Mass inc. Air Load 37 grams
  • Minimum Impedance Zmin 6.8 Ohms
  • Effective Piston Diameter 214.88 mm / 8.46"
  • Peak Displacement Volume of Cone Vd 0.2 litres
  • Magnet Weight 56 oz
  • Magnetic Gap Depth 10 mm / 0.39"
  • Flux Density 1.0 Tesla
  • Coil Winding Height 18 mm / 0.70"

The HF is driven with our BRC135


  • Nominal Overall Diameter 90 mm
  • Nominal Impedance 8 ½
  • Nominal Voice Coil Diameter 34.4 mm
  • RMS Power 70 W
  • Magnet Weight <350g
  • Flux Density 0.75 T
  • Sensitivity@1W/1m 106 dB
  • Weight 32 Ounces or 907.185 gram
  • 35mm Thread


  • Voice Coil DC Resistance Re 6.2 ½
  • Resonance Frequency Fs 1300 Hz


  • Magnet Ferrite
  • Voice Coil Winding CCAW
  • Voice Coil Former Kapton
  • Voice Coil Winding
  • Height 2.4 mm
  • Diaphragm: Titanium
  • Air Gap Height 5 mm
  • Ferrofluid in Air Gap: No
  • Throat Diameter 25mm

BD118 - Specifications

  • 18mm 13 ply Marine Birch Plywood Cabinet
  • Covered with 4 coats of BishopSound PU heavy-duty chip-proof paint
  • Extra Thick ding proof metal grill
  • Acoustic Foam Behind Grill to Prevent Water and Dust Ingression
  • System Type 18" Passive (Subwoofer)
  • Loaded with BishopSound BDP18
  • Frequency Range 34~150 Hz
  • Impedance 8 OHM
  • Power RMS (W) 1000
  • Power PROG (W) 2000 (4000w Peak)
  • LF (Power/Sensitivity) 1000w/134dB
  • Max SPL (dB) 134dB
  • Cross over (Hz) +/-100hz
  • Connection 4 Pole connector x 2 (in and out)
  • Water-resistant Speakon upload backplate
  • Cabinet size 58*67*73 cm
  • Carton size 63*72*78 cm
  • Product Weight 42Kg
  • Top Hat 20mm threaded Inverted in top of the cabinet for pole mount

Loaded in this subwoofer the BishopSound BDP18 18″ Sub-bass woofer 1000w RMS

  • Nominal Overall Diameter: 460 mm
  • Nominal Voice Coil Diameter: 100 mm
  • Magnet Weight: 125 OZ
  • Flux Density: 1.42 T
  • Weight: 11.2 Kg
  • Voice Coil DC Resistance Re 5.6 Ω
  • Resonance Frequency Fs 34.8 Hz
  • Mechanical Q Factor Qms 11.48
  • Electrical Q Factor Qes 0.57
  • Total Q Factor Qts 0.543
  • Mechanical Moving Mass Mms 202.6 g
  • Mechanical Compliance Cms 103.05 um/N
  • Force Factor BL 20.87 Wb/m
  • Equivalent Acoustic Volume Vas 219.7 It.
  • Maximum Linear Displacement Xmax ±7 mm
  • Reference Efficiency ηo 1.575 %
  • Diaphragm Area Sd 122.54 Cm2
  • Losses Electrical Resistance Res Ω
  • Voice Coil Inductance@ 1K Hz LE m H
  • Nominal Impedance 8 Ω
  • Musical Power 2000 W
  • Rated Power 1000 W
  • Sensitivity@1W/1m 95 d B
  • Magnet Ferrite
  • Voice Coil Winding Copper
  • Voice Coil Former Kapton
  • Cone Paper - Made In England
  • Surround Treated Cloth
  • Dust Dome Paper
  • Basket Die-Cast Aluminium


BishopSound Limited Lifetime Guarantee

Effective on all purchases from 1st January 2021

With a returns rate of less than 1% we are proud to offer the BishopSound Lifetime Guarantee at no extra cost to you

BishopSound Limited will undertake to guarantee the product will be free from defective workmanship and materials for the reasonable life of the product.

BishopSound Limited will at its discretion and expense either repair the defect using new or refurbished parts, or replace the Product with a new or re-manufactured Product of a reasonable equivalent. In all instances BishopSound Limited’s liability will not exceed the original Purchase Price.

If we find a genuine fault or defect in your item that shouldn’t be there based on normal use, then we’ll repair or replace it for free– no questions asked. But, if that speaker has been unloved or beaten to within an inch of its life, then it might be time to buy a new one! In any case, we’ll review each case and will let you know if we can fix or replace it.

The warranty stated above is the sole and exclusive remedy and BishopSound Limited’s performance shall constitute full and final satisfaction of all obligations, liabilities and claims with respect to the Product. In any event, BishopSound Limited shall not be liable for and consequential, incidental, economic, property, bodily injury or personal injury damage arising from the product, any breach of the warranty or otherwise.

This Warranty applies to the first end-user purchaser, and only when purchased from BishopSound Direct or an authorized BishopSound Limited Dealer/Distributor on the UK Mainland listed on our website.

Additional Limitations and Exclusions from Warranty Coverage: The warranty described above is non-transferable, applies only to the Product purchased, does not include installation of any repaired or replaced Product, does not include damage to any allied or associated equipment which may result for any reason from use with this Product, and does not include labour or parts caused by accident, disaster, negligence, improper installation, broken warranty seals, misuse (e.g. over driving the amplifier or speaker, unstable, unprotected or badly earthed power sources, excessive heat or cold or humidity or inadequate ventilation), or from service or repair which has not been authorized by BishopSound Limited.

The end-user purchaser is liable for the cost of transportation and return of the Product in the original packaging. Any damages incurred during transport are the cost and responsibility of the end-user purchaser.

When purchasing BishopSound Limited products, please keep your receipt of purchase safe and retain all the original packaging, as this validates your warranty.

How To Claim

To qualify for the Lifetime warranty, in the first instance you must contact BishopSound Limited showing proof of purchase and the product code. You must be in possession of the original packing as this has the Serial Number printed on it.You will be asked for the serial number and given a return authorization number (RAN), which is required to progress with your warranty claim.

Any decision made by BishopSound Limited regarding any Lifetime Warranty claim is full and final.

This warranty takes effect from the 1st January 2021 onward. Goods purchased prior to this date were sold with the 12 month warranty which still stands.

Only branded BishopSound Limited Products are included in the Lifetime Guarantee:

For more information, please see our Terms & Conditions

    Get in touch with BishopSound today for professional and friendly advice. Alternatively, you can call us on 01765 698 233 or 07973 223949. If you want to send a direct email please use or

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    This Big Gig Rig Contains...