Which Retailer of the Year 2021 - Richer Sounds
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Monitor Audio CSM-Box - Back Box
Custom Install Speaker Back Box
LOWEST PRICE GUARANTEED!
NO ADDED DUTIES
£70
TELESALES
Call or email us to place an order
0333 900 0070
BUY BY PHONE
Call 0333 900 0070 for our friendly Irish based team
NO ADDED DUTIES
BUY ONLINE NOW
With NI/ROI delivery OR collect from your local store
NO ADDED DUTIES
This is a special order item – delivery may be slightly longer than our normal service.
DELIVERY – FROM FREE
View delivery options
Collect In Store
£FREE
Available Now
We will call you when your order is ready for collection
5-7 Day Delivery
£2.99
5-7 Days
5-7 Day Delivery
5-7 Day Delivery
£6.99
5-7 Days
Charge for ROI Delivery
LOWEST PRICES GUARANTEED!
LOWEST PRICES GUARANTEED
We're confident that our prices are amongst the very keenest out there, so we've made it as easy as pie to qualify for our Price Beat. Richer Sounds also guarantees to beat web prices, and Price Beat is even valid for 7 days after purchase, so if you've seen a cheaper price, let us know, and we'll happily beat that price by up to £100!
Products must be brand new, boxed, carry a comparable guarantee and be in stock at time of purchase. Richer Sounds price used to compare will be net of any voucher / trade in discounts.
T&Cs apply - see here

The CSM-BOX is a Back Box made of MDF, which allows you to install speakers from our Creator Series, Basics and All Weather CI ranges into the ceiling.

The CSM-BOX comes with Small and Medium Ring (Fitted) adapters, which can also be removed.

Compatible speakers - C1S, C2S, C1M, C2M, C2M-TX, C2M-CP, CSS230, C3M, C165, AWC265, AWC265-T2 (plus previous 6.5” in-ceiling speakers)

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Beechill Enterprises Ltd t/a Richer Sounds registered address is 7 Smithfield Square North, Belfast, Northern Ireland, BT1 1FN and registration number is NI029337.

Beechill Enterprises Ltd t/a Richer Sounds is authorised and regulated by the Financial Conduct Authority and is the broker and not the lender. Our FCA registration number is 831040. Beechill Enterprises Ltd t/a Richer Sounds offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. Credit is provided subject to affordability, age and status. Minimum spend applies. Not all products offered by Secure Trust Bank PLC are regulated by the Financial Conduct Authority.

Prices valid in store (all including VAT) until close of business on the date below.
(some of these web prices are cheaper than in-store, so please mention that you've seen these offers online)

© Beechill Enterprises Ltd 04/06/2026 . All Rights Reserved.