Photos: Nash · supplied retailer imagery
Alarms · Bite indication · Our take
Nash Siren R2
Individual Siren R2 alarm — model T3000
The individual Nash Siren R2 alarm is smart, compact and nicely adaptable, with useful sensitivity, tone and LED adjustments for everything from open-water carp work to twitchy margin fishing.
- Model T3000 is the individual Siren R2 alarm; T3001 is the receiver and T3002 is the two-rod presentation set.
- Five selectable LED colours: red, blue, green, white and purple.
- Six sensitivity settings cover movement from 10mm to 85mm, with four volume and five tone settings.
- The alarm takes one CR2 battery, which isn’t included; the matching receiver uses one CR123A battery, also not included.
Make sure it’s the right one. This review covers the individual Nash Siren R2 alarm, model T3000. The T3001 is the matching receiver, while T3002 is the two-rod presentation set.
Tackle Index Score
Tackle Index score
A feature-rich, properly adaptable alarm that sits comfortably in the serious mid-to-upper range.
Desk-research score from specs, price and fishing fit · How we score
- Product Quality9.2/10
- Performance9.1/10
- Impact on Fish Catching8.8/10
- Ease of Use8.9/10
- Value for Money8.6/10
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Who it suits
Is it right for you?
Great for
- Carp anglers building a flexible alarm set-up. The wide range of sensitivity, tone, volume and LED options lets you tailor the alarm to the swim and conditions.
- Nash Bobbin and Slap Head users. The direct screw-thread connection makes attaching compatible indicators quick and tidy.
Maybe skip if
- Anglers wanting a complete wireless package in one box. The individual T3000 is only the alarm; the matching receiver is T3001, or you need the T3002 two-rod presentation set.
- Anyone after the simplest possible alarm. There are plenty of settings here, which is useful, but might feel like overkill if you only want one basic volume and tone.
The lowdown
Introducing the Nash Siren R2
The individual Nash Siren R2 alarm is smart, compact and nicely adaptable, with useful sensitivity, tone and LED adjustments for everything from open-water carp work to twitchy margin fishing.
- Model T3000 is the individual Siren R2 alarm; T3001 is the receiver and T3002 is the two-rod presentation set.
- Five selectable LED colours: red, blue, green, white and purple.
- Six sensitivity settings cover movement from 10mm to 85mm, with four volume and five tone settings.
- The alarm takes one CR2 battery, which isn’t included; the matching receiver uses one CR123A battery, also not included.
Quick verdict
Verdict
The Nash Siren R2 is a cracking alarm for anglers who want proper control without a load of faff. Six sensitivity settings, five tones, four volume levels and five LED colours give you plenty of scope to set it up your way.
It’s a strong all-rounder for carp and coarse work, especially if you already use Nash Bobbins or Slap Heads. Just remember the CR2 battery isn’t included, and the receiver is a separate model unless you buy the presentation set.
A feature-rich, properly adaptable alarm that sits comfortably in the serious mid-to-upper range.
Desk-research score from specs, price and fishing fit · How we score
- Product Quality
- 9.2/10
- Performance
- 9.1/10
- Impact on Fish Catching
- 8.8/10
- Ease of Use
- 8.9/10
- Value for Money
- 8.6/10
The rubberised protective details, snag ears, alignment washer and tidy connections point to a well-considered piece of tackle.
Six sensitivity settings plus four volume levels and five tones give it plenty of scope for different swims and conditions.
Clear, adjustable indication helps you stay in touch with careful bites without forcing one fixed set-up on every session.
The controls and one-touch mute are practical, although the number of options takes a little setting up.
It offers a strong feature list, but remember the battery is extra and the receiver is separate unless you choose the presentation set.
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 Nash Siren R2
A decent alarm should do more than shout when line moves. It needs to suit the swim, make sense in the dark and give you enough control to avoid silly false bleeps. That’s where the Nash Siren R2 comes in. It’s a compact, feature-packed alarm aimed squarely at carp and coarse anglers who like to tune their set-up rather than just clip it on and forget it.
This review covers the individual T3000 alarm. That bit matters, mate, because the Siren R2 name also covers the T3001 receiver and the T3002 two-rod presentation set. Buy the wrong box and you could be left wondering where your wireless receiver has gone. The T3000 is the alarm itself, ready to sit on your buzzer bar and work as part of a Siren R2 system.
The first thing that stands out is the amount of adjustment. You get six sensitivity settings, ranging from 10mm to 85mm. That gives you room to set the alarm for proper line movement on an open-water spot, or make it more responsive when you’re fishing a tight margin and watching every little pluck.
That range is handy through the seasons too. In a warm spell, when carp are moving about and the line is getting a bit twitchy, you can avoid having the alarm chirp at every tiny nudge. In colder water, or when you’re fishing slack lines and waiting for a careful feeder bite, a more sensitive setting can help keep you in touch without making the whole bank bosh every few minutes.
Volume control is equally useful. There are four settings, so you can run the alarm loud enough to cut through wind and distance, or keep it lower when the rods are tucked into the margins and you’re sat right beside them. One-touch muting is a lovely little touch for those moments when you’ve picked up a rod, moved the line or just need the noise gone sharpish.
Tone choice is covered by five settings, while the LED gives you five colours: red, blue, green, white and purple. That’s partly personal taste, of course, but different colours can help you identify rods quickly in a multi-rod set-up. When a screaming take arrives at silly o’clock, anything that removes a bit of head-scratching is bob on.
The alarm also plays nicely with Nash’s own indication gear. There’s a direct screw-thread connection for Nash Bobbins and Slap Heads, which keeps the arrangement neat and avoids unnecessary messing about. Removable rubberised snag ears add another layer of security when you’re fishing locked-up near weed, reeds or a snaggy margin, without leaving them permanently in the way when you don’t need them.
There’s a rubber compression washer for lining up the alarm neatly on a buzzer bar, plus a rubberised protective PVC case for a bit of extra everyday protection. They’re not glamorous features, but they’re the sort of details that make life easier when you’re packing down in the rain or trying to get a rod back out before the bite-time disappears.
The main catch is simple: the alarm needs one CR2 battery and Nash doesn’t include it. That’s no disaster, but it’s an easy one to miss. Also, the receiver is separate. If you want a wireless two-rod set-up, look at the T3002 presentation set or add the T3001 receiver, which can pair with up to four Siren R2 alarms.
Specifications
The nuts and bolts
- Product type
- Individual carp and coarse fishing alarm
- Model
- T3000
- LED colours
- Red, blue, green, white and purple
- Sensitivity
- Six settings, from 10mm to 85mm
- Controls
- Four volume settings, five tone settings and one-touch muting
- Battery
- One CR2 battery, not included
Specs checked with Nash, Oct 2026.
Spot a model or spec change?
Our take
The angle
This is the individual alarm rather than a full receiver package, so it makes most sense as a replacement, an extra unit or part of a wider Siren R2 setup.
The big appeal is flexibility. You can keep things loud and obvious on a windy pit, or dial the alarm right back for close-range margin work where a screaming box would be a bit much.
Closer look
A flexible alarm with the useful bits covered
The T3000 gives you a good spread of controls without wandering into daft territory. Six sensitivity settings cover 10mm to 85mm, while four volume levels and five tones let you set the alarm for the swim, the weather and your own hearing. The five LED colours are a nice bonus, particularly if you like each rod to have its own visual identity.
The practical details are well thought through too. You get one-touch muting, removable rubberised snag ears, a rubber compression washer for buzzer-bar alignment and a rubberised PVC protective case. The direct screw-thread connection for Nash Bobbins and Slap Heads is especially handy if those are already part of your kit.
Worth knowing. The alarm is model T3000 and uses one CR2 battery, which isn’t supplied. The receiver is a separate T3001 model and uses a CR123A battery, also not supplied.
Who it suits
A good fit for adaptable bank work
This alarm suits carp anglers who fish a mix of situations. On a big pit, you can raise the volume and use a less twitchy sensitivity setting. In the margins, you can keep things quieter and fine-tune the response for delicate line movement. That makes it a useful one-alarm choice rather than something tied to one style of fishing.
It also makes sense for anglers already using Nash Bobbins or Slap Heads. The direct connection keeps the indicator sitting neatly beneath the alarm, and the removable snag ears give you a bit more confidence when the rods are fished tight to trouble. For a wireless set-up, pair the alarm with the T3001 receiver, which supports up to four Siren R2 alarms.
If you only want the alarm to make one noise at one volume, the menu of settings may feel like more kit than you need. Likewise, if you’re expecting a full receiver package, make sure you’re buying the T3002 presentation set rather than the individual T3000.
FAQs in full
The bits anglers usually ask about
Yes. The adjustable sensitivity makes it suitable for carp, barbel and other coarse fishing where you’re using an alarm and indicator. Just match the setting to your rig, line tension and the amount of movement in the swim.
No. The rubberised snag ears are removable, so you can fit them for a locked-up, snaggy swim and take them off when fishing a more open spot.
The matching Siren R2 receiver can pair with up to four Siren R2 alarms. That gives you room to expand beyond a two-rod start if your fishing develops into a three- or four-rod set-up.
On paper
Pros & cons
What we like
- Loads of useful adjustment, with six sensitivity, four volume and five tone settings.
- Five LED colours make it easy to personalise a set-up or match alarms across different rods.
- Direct screw-thread connection for Nash Bobbins and Slap Heads is dead handy.
- Removable rubberised snag ears and a rubber compression washer help with practical bank-side set-up.
- One-touch muting is spot on when you need to silence the alarm quickly.
Worth knowing
- The CR2 battery isn’t included, so you’ll need to have one ready before a session.
- The receiver is separate unless you buy the T3002 presentation set.
- If you don’t use Nash Bobbins or Slap Heads, some of the direct-connect convenience may matter less.
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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.
01Which Nash Siren R2 model is the alarm?
Which Nash Siren R2 model is the alarm?
The individual Siren R2 alarm is model T3000. The T3001 is the receiver, and T3002 is the two-rod presentation set.
02Which battery does the Siren R2 alarm use?
Which battery does the Siren R2 alarm use?
The alarm uses one CR2 battery. It isn’t included, so stick one in your tackle bag before heading to the lake.
03Can the Siren R2 work with a receiver?
Can the Siren R2 work with a receiver?
Yes. The matching Siren R2 receiver is model T3001 and can pair with up to four Siren R2 alarms. The receiver uses one CR123A battery, which also isn’t included.
What anglers say
The word from the bank
Our read: verdict. The strongest reasons to choose it are loads of useful adjustment, with six sensitivity, four volume and five tone settings. and five led colours make it easy to personalise a set-up or match alarms across different rods.; the main trade-off is the cr2 battery isn’t included, so you’ll need to have one ready before a session..
Our take on the feedback
Why it appeals
Checked Sept '26 — “Loads of useful adjustment, with six sensitivity, four volume and five tone settings.”
Best fit
Checked Sept '26 — “Carp anglers building a flexible alarm set-up: The wide range of sensitivity, tone, volume and LED options lets you tailor the alarm to the swim and conditions.”
Worth knowing
Checked Sept '26 — “The CR2 battery isn’t included, so you’ll need to have one ready before a session.”
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
What our readers rate Nash Siren R2
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