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When you strip back a great listening experience, you find small, precise parts doing big jobs: phono plugs that preserve clarity, RCA sockets that prevent hum, and speaker terminals that keep bass tight. Think of these parts as the plumbing of a hi‑fi system—if you get the pipes right, water flows smoothly; get them wrong and you hear the drip. Whether you’re wiring a dedicated listening room, upgrading a home cinema, or simply replacing a damaged outlet plate, choosing the right audio components is the difference between “good enough” and “jaw‑dropping.”
Expert Electrical is a go‑to online supplier for technicians and DIY enthusiasts who need specific, professional‑grade components. From addressable alarm sounder bases to twin phono outlets and dimmer modules, their catalog reads like a technician’s toolkit. If you need hard‑to‑find electrical inserts—such as Varilight Data Grid twin phono RCA sockets or Click Smart switch modules—this kind of specialist stock is where you’ll usually find them.
Products you’ll spot in their range include the ESP Addressable Sounder Base IP65, ESP 2 Wire Wall Sounder Square Red for MagDuo systems, and Sangamo programming interfaces like the Bluetooth USB hub. They also offer a variety of decorative and functional faceplates such as Click Deco Plus twin non‑isolated satellite outlets in satin brass with black inserts and Hamilton Hartland TV and satellite modules in satin steel. These items are especially useful when you need matching finishes across a room and reliable electrical performance behind the scenes.
It might surprise you that stores under the “Downlights” category often stock AV inserts and related electrical modules. When contractors finish an install, they want a clean plate that integrates lighting and entertainment feeds. Offerings like Hamilton G2 2‑gang dimmers and non‑isolated TV outlets are common in trade lighting sections, combining aesthetics and electrical function in a single range of faceplates.
Lighting and AV need to coexist—dimmers affect mood for movie nights, and AV outlets need to be in the same visual language as switches and lights. Retailers that focus on downlights frequently provide matching ranges like Hamilton G2 and Hartland so you can keep a consistent finish throughout a living room or media suite without hunting across multiple suppliers.
If Expert Electrical and specialist downlight suppliers don’t have exactly what you need, plenty of UK retailers fill the gaps. Currys PC World and Richer Sounds offer mainstream audio cables, adapters, and some installation plates. RS Components and Farnell cater to the trade with bulk connectors, phono sockets, and industrial‑grade parts. Screwfix and B&Q handle more of the general electrical fit‑out items like dimmers and faceplates, while Amazon UK and eBay are handy for obscure or legacy parts when time is tight.
Specialist shops win when you need hard‑to‑find inserts, pro‑grade modules, or matching decorative plates. General retailers are great for fast turnarounds, common connectors, and budget options. For example, if you want a Varilight Data Grid twin phono RCA socket in a specific module color, specialists will likely have it; if you need a standard RCA cable in a hurry, general big‑box stores will do the job.
It all starts at the connection. Phono plugs (RCA), speaker terminals, and TV/FM inserts are deceptively important. A high‑quality phono plug with gold plating resists corrosion and keeps contact resistance low. RCA sockets with good shielding prevent radio‑frequency and mains hum from creeping into the signal path. When choosing, check build quality first: metal housings and tight tolerances matter more than flashy branding.
Match consumer gear with consumer grade cables and pro gear with pro grade connectors. For example, use a twin phono RCA socket for stereo line‑level feeds, but choose balanced XLR or TRS for long runs in an AV rack to avoid noise. And remember: one‑inch differences add up—if a wall box is tight, low‑profile plugs and slimline modules will save you from a cramped install.
Smart modules like the Click Deco Plus dimmer or Click Smart 1‑gang 10A switch module let you integrate lighting and AV into automation scenes—think dim the lights and lower motorized blinds when you press “movie.” The Sangamo programming interface Bluetooth USB hub provides a way to program and manage older systems that still rely on proprietary tools. If you’re building a hybrid of legacy and smart gear, these bridge devices are invaluable.
If you’re syncing lighting with AV, choose dimmers that support smooth fades and low‑frequency loads from theatrical lighting. For outlets and AV inserts, pick non‑isolated vs isolated based on whether you need signal separation—non‑isolated TV inserts like Hamilton Hartland or G2 Rb modules are fine for typical household coax networks, while isolated outlets are useful in mixed‑signal environments to reduce interference.
For outdoor speakers, external sirens, or garage installations, IP protection matters. The ESP Addressable Sounder Base with an IP65 rating in Expert Electrical’s range indicates dust tightness and water resistance against jets. That’s the kind of spec you want when installing a sounder near an external door or an exposed roofline—think of IP65 as a raincoat for your electronics.
Decide the environment first. An indoor living room needs no special IP rating, but a porch, external junction box, or unheated garage benefits from at least IP44 to protect against splashes. For full exterior exposure, aim for IP65 or higher. Remember: seals, gaskets and proper faceplate installation are as important as the rating itself—an IP65 device needs an IP65 installation to deliver its rating.
Price ranges vary wildly: a basic RCA socket might cost a few pounds, while a professional, gold‑plated phono outlet or a programmable hub can run into double figures or more. Rather than hunting blindly, compare offers across specialist distributors, trade suppliers, and mainstream retailers. Comparison sites are useful here to see who stocks a matching finish or model number and to find bundle deals when you’re outfitting an entire room.
Consider longevity and matching aesthetics. A slightly higher‑priced Hamilton G2 faceplate in the finish you want might save time and cost in the long run because you won’t need to rebuy or compromise appearance. Likewise, investing in a quality shielded RCA socket can prevent noise issues that would otherwise lead to costly troubleshooting later.
Simple swaps—replacing a ramped RCA socket or a decorative outlet insert—are fine for a confident DIYer with a screwdriver and a basic multimeter. But when you’re dealing with mains wiring, alarm sounder bases, or integrated smart hubs that interact with household electrics, it’s worth bringing in a qualified electrician. The rule of thumb? If you need to break the loop on a mains live or alter an alarm circuit, call the pro.
A good crimper, a variable‑temperature soldering iron, a quality multimeter, and heat‑shrink tubing will make installations neater and more reliable. Also consider a compact fish tape or cable puller if you’re running new speaker cables through walls—those little tools save hours of frustration and keep installations clean.
Modern installations often demand that every plate, switch and socket looks like part of a set. Manufacturers such as Click and Hamilton offer modular grid systems like Varilight Data Grid or Click Deco Plus which allow you to mix phono, TV and power outlets in the same frame. That way, your AV sockets don’t look like afterthoughts but integral parts of the room’s design.
Satin brass and antique or bright chrome finishes are popular because they hide fingerprints and blend with joinery better than shiny black plastic. If you choose a bolder finish, buy a couple of spares—finishes can be discontinued and a spare plate will save you from an awkward mismatch later.
Before you buy: measure the wall box depth and faceplate dimensions in inches, note the current connector types (phono, RCA, satellite, TV/FM), check whether you need isolated or non‑isolated inserts, and decide on a finish that matches your existing hardware. With that checklist, calling up a specialist like Expert Electrical or browsing a lighting/AV trade section will be much faster and more successful.
Part numbers are your friend. Whether it’s Varilight Data Grid twin phono RCA or Hamilton G2 RB 1‑gang isolated TV outlet, having the exact model reduces confusion and helps comparison tools find the best price across multiple UK retailers.
Finding the right audio components in the UK is part detective work, part taste test and part shopping savvy. Specialist suppliers like Expert Electrical and trade categories such as Downlights carry the specific modules, inserts and finishes that make an AV installation both functional and beautiful. Combine these specialist sources with general retailers and comparison sites to balance availability, price and aesthetics. With the right connectors, IP ratings and matching panels, you’ll get a system that sounds better and looks like it belongs in your home—no compromises necessary.
| Audio Components - Other | Price | |
|---|---|---|
| Esp Single Channel Hd Video And Power Balun Twin Pack | £ 12,84 | |
| Hamilton Hartland 2g Non Isolated Tv And Satellite Satin Steel White | £ 14,65 | |
| Hamilton Hartland 2g 100w Led 2 Way Dimmer Satin Steel | £ 35,52 | |
| Esp Addressable Sounder Base Ip65 | £ 37,58 | |
| Esp Addressable Sounder | £ 47,98 | |
| Hamilton G2 2 Gang 2 Way 100w Led Dimmer Satin Brass | £ 51,42 | |
| Hamilton G2 2 Gang Rotary Companion Controller Smart Dimmers Bright Chrome | £ 54,31 | |
| Hamilton G2 3 Gang Rotary Companion Controller Smart Dimmers Antique Brass | £ 79,44 | |
| Sangamo Programming Interface Bluetooth Usb Hub | £ 183,40 | |
| Xr Pro Led Audio Gaming Chair |

| £ 239,- |