
When you’re looking for a new set of bite alarms, spending more doesn’t always mean getting more.
With the Sonik HEROX Bite Alarms, we set out to build an alarm system that delivers the features, reliability and versatility carp anglers actually need – without the premium price tag.
The result? A feature-packed 3+1 bite alarm set for under £100, complete with three alarms, a receiver and an automatic bivvy light included in the package.
So, if you’re searching for the best bite alarms under £100, here’s why we think the HEROX alarms should be right at the top of your list.
A Complete 3+1 Alarm Set for Under £100
Value for money was a huge consideration when developing the HEROX range.
Rather than stripping features back to hit a price point, we’ve packed the HEROX alarms with technology you’d expect to find on considerably more expensive alarm systems.
The HEROX 3+1 set gives you three bite alarms, a four-channel receiver and an automatic bivvy light, giving you a complete bite indication setup straight out of the box.
And it’s that combination of price, performance and features that makes the HEROX system so difficult to beat.
Eight Sensitivity Levels
Every venue is different, and your alarms need to be adaptable enough to deal with it.
The HEROX alarms feature eight adjustable sensitivity levels, allowing you to fine-tune your indication depending on the situation.
Fishing locked up close to snags? Dealing with strong winds or undertow? Fishing at range where small movements at the rig need to be detected?
You can adjust the sensitivity of the HEROX alarms to suit your fishing rather than relying on a one-size-fits-all setting.

Eight Volume and Tone Settings
Personal preference plays a big part in bite indication, which is why the HEROX alarms offer eight volume and eight tone settings, including silent mode.
Whether you prefer a subtle alarm tone or something that’s going to wake you instantly during the night, you’ve got plenty of adjustment.
There’s also forward and backward drop-back indication, helping you quickly identify exactly what’s happening at the business end.
Intelligent Mute Mode
Anyone who’s ever repositioned their rods in the middle of the night will appreciate this one.
Our Intelligent Mute Mode (I.M.M.) allows you to temporarily silence the alarm while setting or adjusting your rods.
No unnecessary beeping. No waking up the rest of the lake.
Just make your adjustments and get your rods fishing again.
It’s a simple feature, but once you’ve used it, you’ll wonder why every alarm doesn’t have it.

Up to 150m Range
Your receiver is only useful if you can rely on it.
The HEROX alarm and receiver system offers a range of up to 150 metres, giving you dependable indication when you’re inside your bivvy or around your swim.
The receiver features four channels with bright red, green, blue and orange LEDs, while automatic alarm-head tone matching makes it immediately obvious which rod has produced the indication.
You’ve also got eight receiver volume levels, silent mode and an independent vibration mode, giving you even more control over how you’re alerted.
A Bivvy Light Included
Here’s where the HEROX package gets even better.
The HEROX 2+1 and 3+1 alarm sets include a bivvy light as part of the package.
The light can be used independently as a normal bivvy light, but it can also be paired with your HEROX alarms and set to automatically illuminate when an alarm is triggered.
When you’re woken by a screaming take in the middle of the night, there’s no scrambling around trying to find your headtorch – your bivvy can automatically light up as the alarm sounds.
The bivvy light features six colour channels, three brightness levels and a range of up to 150m. It can also register up to four alarms per channel and comes with both a magnetic plate and elastic loop attachment.
For an alarm package at this price point, we think its inclusion represents exceptional value.

Built for Life on the Bank
Features mean very little if your alarms can’t cope with the conditions we regularly face as anglers.
That’s why the HEROX alarms use a compact weather-sealed case with shielded electronics, helping protect them from the elements throughout the season.
We’ve also incorporated tall integral snag ears and rod-friendly rubber inlays into the alarm body.
That means there’s no need to immediately add separate snag ears to your setup, while the rubber inlays help protect your rod blanks when they’re sitting on the alarms.
Nightglow™ LEDs
For anglers who like a small amount of visual indication through the night, the HEROX alarms also feature our Nightglow™ LED function.
Combined with the twin high-visibility 5mm LEDs, this makes it easy to identify your alarms and see indication in low-light conditions.
There’s also a 2.5mm power-out socket, allowing you to connect compatible illuminated bite indicators if that’s how you prefer to fish.
One Battery Type Across the System
It’s a small detail, but it’s one that makes life considerably easier.
The HEROX alarms, receiver and bivvy light all operate using AAA batteries.
That means there’s no need to carry several different battery types around in your tackle bag. Keep a pack of spare AAAs with you and you’ve got the entire HEROX system covered.
Sometimes it’s the simple things that make the biggest difference.

HEROX Bite Alarm Features at a Glance
Each HEROX bite alarm features:
- Twin high-visibility 5mm LEDs
- Eight sensitivity levels
- Eight volume and tone settings, including silent mode
- Forward and backward drop-back indication
- Intelligent Mute Mode (I.M.M.)
- Nightglow™ LED function
- 2.5mm power-out socket
- Up to 150m range
- Weather-sealed case and shielded electronics
- Integral snag ears
- Rod-friendly rubber inlays
- Silent low-battery warning
The receiver adds four channels, vibration mode, a built-in torch function, drop-back indication and automatic alarm-head tone matching.
Then there’s the included bivvy light on the 2+1 and 3+1 sets, completing what we believe is one of the most comprehensive alarm packages available at this price point.
So, Are the HEROX the Best Bite Alarms Under £100?
We’ll let you make the final decision.
But when you consider exactly what you’re getting for your money, the HEROX alarms make a very strong case.
Eight sensitivity levels. Eight volume and tone settings. Intelligent Mute Mode. Drop-back indication. Nightglow™ LEDs. 150m range. Integral snag ears. A four-channel receiver. And an automatic bivvy light included in the set.
All for under £100.
Whether you’re putting together your first serious carp fishing setup, upgrading an older alarm system or simply looking for maximum performance without spending a fortune, the Sonik HEROX Bite Alarms deliver an exceptional amount of technology for the money.
Because good bite indication shouldn’t have to cost a fortune.
Discover the Sonik HEROX Bite Alarm range and find your nearest Sonik stockist today.








