T-H Marine HydroWave H2 Fish Feeding Stimulator
- 16-bit CD quality sound
- 5 delay options: 15, 30, 45, 60 and 120 seconds
- 14 ft speaker cord, 6 ft power cord
- 2.5 inch LCD shows settings and battery life
- 12 V battery required, 360 hour average battery life
- Waterproof multi-directional speaker
- Expansion port for added sounds
- 0.93 kg, 2 x 6 x 6 inches
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A boat-mounted underwater sound system with timed delays, an LCD and expandable sounds for freshwater fishing. It needs a dedicated boat battery, and results depend on species and conditions.
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ASIN: B00NOOIV2IModel: HydroWave H2Category: Fishing Attractants
Overview
A bass or crappie angler on a boat gets a sound unit that plays underwater feeding sounds through a waterproof speaker on a long cord. It has several sound patterns, an expansion port to upload more, and an LCD for settings.
Adds an electronics layer to freshwater fishing, with timed delays so the sound plays in controlled bursts. Setup depends on a boat battery and trolling motor mount. The listing makes strong effectiveness claims that depend on conditions and species.
Who it's for
Bass, crappie and walleye anglers with a boat, a spare battery and a trolling motor who like to experiment with gear. Bank anglers and those on a tight budget for electronics may prefer other tactics.
Pros and cons
- Five timed delay options
- Expansion port for more sounds
- LCD shows battery life
- Long speaker cord
- Needs a 12 V battery
- Effectiveness depends on conditions
- Boat installation required
- Wireless control not listed
Performance notes
The unit plays recorded or programmed sounds through an underwater speaker, and the delay setting controls how long it waits between bursts. Battery life depends on how often it plays and how loud. Fish response varies by species, water clarity and pressure, so results are not predictable from the specifications.
Specifications
| Brand | T-H Marine |
|---|---|
| Model | HydroWave H2 |
| Dimensions & fit | |
| Speaker size | 2.5 inches |
| Cord lengths | 14 ft speaker cord, 6 ft power cord |
| Dimensions | 2 x 6 x 6 inches |
| Weight | 0.93 kg |
| Capacity & performance | |
| Output power | 180 watts |
| Power & efficiency | |
| Input voltage | 12 volts (one 12V battery required) |
| Battery average life | 360 hours |
| Compatibility & installation | |
| Mounting type | Floor standing |
| Compatible Devices | Trolling motor, boat |
| Included components | |
| Included Components | Power cable |
| Warranty & support | |
| Warranty Description | 1 year manufacturer |
| Other details | |
| Sound quality | 16-bit CD quality |
| Delay options | 15, 30, 45, 60 and 120 seconds |
| Display | 2.5 inch LCD |
| Control | Touch |
| Water Resistance Level | Waterproof |
Frequently asked questions
How do I install the HydroWave H2 on my boat?
The listing gives a 14 foot speaker cord and a 6 foot power cord, and says it needs one 12 V battery. It names a trolling motor and boats as compatible, and lists the mounting type as floor standing.
Which fish species is it meant for?
The bullets name bass, crappie and walleye, and the specs say freshwater fishing, trolling and attracting fish.
Can I add my own sounds?
Yes. The expansion port lets you upload additional sounds, according to the listing.
Does the HydroWave H2 control wirelessly?
The wireless communication field says none, so it is controlled by the touch interface on the unit.