Photos: Delkim · supplied retailer imagery
Alarms · Digital bite indication · Our take
Delkim Txi-D Single Alarm
Single alarm
A proper high-end bite alarm with loads of control, clever security features and the sort of crisp indication serious carp anglers love.
- Digital Signal Processing works alongside tried-and-tested vibration sensing for bite indication.
- Eight adjustable beep-speed levels and 64 digital tone settings give plenty of tuning control.
- Twin clear LEDs offer variable brightness, instant day/night switching and a stealth LED mode.
- The alarm includes digital radio, a range test, an IMU movement/security sensor and a NiteLite output socket.
Make sure it’s the right one. This review covers the Delkim Txi-D Single Alarm, supplied with its moulded hard case and powered by one 9V PP3 battery.
Tackle Index Score
Tackle Index score
A high-end alarm with excellent control and useful security features, but its premium price won’t suit every tackle budget.
Desk-research score from specs, price and fishing fit · How we score
- Product Quality9.7/10
- Performance9.5/10
- Impact on Fish Catching8.8/10
- Ease of Use8.6/10
- Value for Money8.1/10
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Who it suits
Is it right for you?
Great for
- Serious carp anglers building a premium alarm set-up. You get the adjustment, radio control and security features to match a high-end session kit.
- Anglers who like precise sound and LED control. The beep-speed levels, tone choices and brightness options let you set the alarm up your way.
Maybe skip if
- Occasional anglers on a tight budget. You’re paying for a lot of refinement and control that a basic alarm may cover well enough.
- Anyone who wants a totally set-and-forget alarm. There are plenty of settings here, so the initial set-up takes more attention than a simple buzzer.
The lowdown
Introducing the Delkim Txi-D Single Alarm
A proper high-end bite alarm with loads of control, clever security features and the sort of crisp indication serious carp anglers love.
- Digital Signal Processing works alongside tried-and-tested vibration sensing for bite indication.
- Eight adjustable beep-speed levels and 64 digital tone settings give plenty of tuning control.
- Twin clear LEDs offer variable brightness, instant day/night switching and a stealth LED mode.
- The alarm includes digital radio, a range test, an IMU movement/security sensor and a NiteLite output socket.
Quick verdict
Verdict
The Delkim Txi-D is a top-drawer single alarm for anglers who want loads of tuning options and dependable bite indication in a compact unit. Its DSP, vibration sensing, adjustable beep speed and proper LED control give you plenty to play with without turning the alarm into a faffy gadget.
It’s pricey kit, mind. If you’re building a serious set-up, fishing big waters or simply want Delkim’s distinctive style of indication, it makes plenty of sense. For the occasional overnighter or a tight budget, there are cheaper alarms that’ll still tell you when the rods are off.
A high-end alarm with excellent control and useful security features, but its premium price won’t suit every tackle budget.
Desk-research score from specs, price and fishing fit · How we score
- Product Quality
- 9.7/10
- Performance
- 9.5/10
- Impact on Fish Catching
- 8.8/10
- Ease of Use
- 8.6/10
- Value for Money
- 8.1/10
The feature set, enhanced weather protection and supplied moulded hard case point to a properly premium bit of tackle.
DSP, vibration sensing and digital radio give the Txi-D a strong technical package for clear indication.
It won’t make the fish feed, but clear adjustable indication can help you react confidently to delicate movement and proper runs.
The controls are useful and practical, though the number of tone and beep-speed choices means a little initial faff.
It offers a lot for the money at the premium end, but anglers with simpler needs can spend considerably less.
Head to head
How it stacks up
Side by side with the closest kit we've reviewed. This updates as we add more reviews.
Top scorer
Scores are our own, out of 10. Best in each row is in green. Prices change, so check the latest before you buy.
The full rundown
Everything you'll want to know about the Delkim Txi-D Single Alarm
The Delkim Txi-D Single Alarm sits firmly in the premium end of the bite alarm game. This isn’t a basic buzzer that just shouts when line moves. It’s a proper feature-packed alarm for anglers who want to fine-tune how a take sounds, looks and gets sent through to the receiver side of the set-up. If you like your kit smart, tidy and properly adjustable, it’s got plenty going for it.
At the heart of the Txi-D is Digital Signal Processing, working with Delkim’s tried-and-tested vibration sensing. In plain English, that means the alarm is built to read movement through vibration rather than relying on a simple roller-wheel approach. That’s the sort of indication many carp anglers enjoy, particularly when they want a crisp response from tiny line movements as well as a screaming take.
The clever part is the control you get over the sound. There are eight adjustable beep-speed levels and 64 digital tone settings. That’s a fair old spread of choice, mate. You can go for a sharp, urgent sound or something a touch calmer, depending on your ears and the conditions. Once you’ve got your preferred tone and speed dialled in, the alarm should feel properly yours rather than just another off-the-shelf noise.
The twin clear LEDs add another layer of indication. Brightness is variable, there’s an instant day/night LED setting and you can use stealth LED mode when you don’t fancy lighting up the swim every time something nudges the line. That’s dead handy on pressured waters, or when you’re trying to keep things discreet during a quiet night session in the margins.
The radio side is properly useful too. This is a digital radio alarm with a range test, so you can check communication before settling in rather than hoping for the best. It’s a small thing, but it saves that nagging worry when you’re sat back in the bivvy, tucked under an umbrella or wandering a few swims down the bank to have a look.
There’s also an IMU movement/security sensor. That gives the Txi-D a bit more bite as a security-minded alarm, especially when your rods are set up and you’re nearby but not staring at them every second. It won’t replace sensible bank habits, of course, but it’s a handy layer of reassurance when the kettle’s on or you’re sorting rigs.
For night fishing, the NiteLite output socket is another useful touch. It gives you the option of adding compatible night indication rather than relying only on the main LEDs. Add in enhanced weather protection and the supplied moulded hard case, and the Txi-D feels designed for proper tackle-bag life rather than being treated like a delicate bit of electronics.
There is a trade-off, though. This is a high-value alarm, and you’re paying for the refined indication, radio system and broad adjustment range. If you only fish the odd day ticket or want something that makes one noise and gets on with it, the Txi-D may be more alarm than you need. You’ll also want to remember the single 9V PP3 battery and keep a spare tucked away.
For the angler who does want that extra control, it’s a cracking bit of kit. Set the tone so it cuts through wind, choose a beep speed that gives you confidence, drop the LEDs into a discreet mode overnight and use the range test before you nod off. It’s all about making the alarm work around your fishing, rather than forcing your session around the alarm.
Specifications
The nuts and bolts
- Sensing system
- Digital Signal Processing with tried-and-tested vibration sensing
- Beep-speed control
- 8 adjustable beep-speed levels
- Tone settings
- 64 digital tone settings
- LED indication
- Twin clear LEDs with variable brightness, instant day/night setting and stealth LED mode
- Radio and security
- Digital radio with range test and IMU movement/security sensor
- Power and protection
- One 9V PP3 battery; enhanced weather protection; moulded hard case supplied
Specs checked with Delkim, Oct 2026.
Spot a model or spec change?
Our take
The angle
This is an alarm for anglers who like to dial their indication in properly. Eight beep-speed levels and 64 digital tone settings let you create a sound and response that suits your swim, your hearing and your personal preferences.
The clever bit is how much control sits alongside the practical stuff. You get twin clear LEDs, variable brightness, instant day/night switching, stealth LED mode, a radio system with range test and an IMU movement/security sensor. It’s a feature-rich alarm, but the useful features are the ones that matter when you’re tucked up in the bivvy.
Closer look
A premium alarm with proper control
The Txi-D combines Digital Signal Processing with vibration sensing, giving it a more refined feel than a basic on-or-off alarm. The sound and light options are the big attraction: eight beep-speed levels, 64 digital tones, twin clear LEDs and variable brightness let you set things up around your swim and your hearing.
The instant day/night LED setting is dead handy when the light drops, while stealth LED mode helps keep things discreet. Digital radio, a range test, an IMU movement/security sensor and a NiteLite output socket round out the feature list. You also get enhanced weather protection and a moulded hard case for transport.
Worth knowing. It takes one 9V PP3 battery. Stick a spare in the carryall, because a flat alarm battery is a proper naff way to spoil a bite-time session.
Who it suits
Built for anglers who like to dial things in
This is best suited to serious carp anglers, regular overnight anglers and anyone building a matching premium alarm set-up. The sound controls are useful when you fish different venues, deal with wind and rain, or simply want a tone that cuts through without being painfully loud.
It also makes sense if you spend time away from the rods during a session. The digital radio and range test help you check the link, while the movement/security sensor adds a bit of reassurance. Keep your rods clipped up properly and your lines tidy, then let the alarm do its job while you’re sorting the brew.
Less suitable? Anyone who wants the cheapest reliable indication, or anglers who dislike menus and adjustment. There’s no shame in keeping things simple, but you’d be paying for features you may barely touch.
FAQs in full
The bits anglers usually want to know
Yes. Variable LED brightness, instant day/night switching and stealth LED mode give you plenty of control once the light fades. The NiteLite output socket is useful if you want compatible night indication as part of the set-up.
Very. Do the check before you settle into the bivvy or wander away from the rods. It’s a simple bit of peace of mind and helps avoid finding out there’s a connection issue when a proper take is already happening.
The physical set-up is straightforward, but you may want a few minutes to choose your preferred tone, beep speed and LED brightness. Once dialled in, the controls should be easy to live with on the bank.
On paper
Pros & cons
What we like
- Loads of sound and indication adjustment without needing extra accessories.
- Clear LED options, including stealth mode and quick day/night switching.
- Digital radio includes a range test, while the IMU sensor adds a useful security feature.
- Enhanced weather protection and a supplied moulded hard case suit regular bank work.
Worth knowing
- It’s a premium-priced alarm, so it’ll be overkill for casual fishing.
- All those settings can take a little time to get familiar with.
- It needs a 9V PP3 battery, so you’ll want a spare in the tackle bag.
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Your questions answered
What anglers want to know
The stuff you’d ask your mate on the next peg. Straight answers, no waffle.
01What battery does the Delkim Txi-D Single Alarm use?
What battery does the Delkim Txi-D Single Alarm use?
It requires one 9V PP3 battery. Keep a spare in your carryall, especially for longer sessions or a big trip.
02Can you adjust the sound of the Txi-D?
Can you adjust the sound of the Txi-D?
Yes. The alarm has eight adjustable beep-speed levels and 64 digital tone settings, so you can tailor the indication to your preference.
03Does it have night and security features?
Does it have night and security features?
Yes. There’s an instant day/night LED setting, stealth LED mode, digital radio with range test and an IMU movement/security sensor. It also has a NiteLite output socket.
What anglers say
The word from the bank
Our read: verdict. The strongest reasons to choose it are loads of sound and indication adjustment without needing extra accessories. and clear led options, including stealth mode and quick day/night switching.; the main trade-off is it’s a premium-priced alarm, so it’ll be overkill for casual fishing..
Our take on the feedback
Why it appeals
Checked Sept '26 — “Loads of sound and indication adjustment without needing extra accessories.”
Best fit
Checked Sept '26 — “Serious carp anglers building a premium alarm set-up: You get the adjustment, radio control and security features to match a high-end session kit.”
Worth knowing
Checked Sept '26 — “It’s a premium-priced alarm, so it’ll be overkill for casual fishing.”
Tackle Index’s take from the product details and fishing fit we checked. We haven’t found enough independent public feedback to call this an angler consensus yet.
Angler score
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