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Description
Musway FOUR.100 | 4-Channel Full Range Class D AmplifierThe FOUR. 100 is a versatile workhorse 4 Channel amplifier. It features 4 X 120 200 Watts at 4 2ohm @ 13. 8V, and is bridgeable to 2 X 400 Watts at 4 Ohms @ 13. 8V. It can be easily used as a traditional 4 channel amp in a 5 channel system by adding a MUSWAY mono subwoofer amplifier (ONE. 1000, ONE 600) or run bridged at 400W X 2 to drive woofers or subwoofers. The FOUR. 100 also has Bandpass filters for your active speaker needs. It is also a perfect
The FOUR.100 is a versatile workhorse 4 Channel amplifier. It features 4 X 120/200 Watts at 4/2ohm @ 13.8V, and is bridgeable to 2 X 400 Watts at 4 Ohms @ 13.8V. It can be easily used as a traditional 4 channel amp in a 5-channel system by adding a MUSWAY mono subwoofer amplifier (ONE.1000, ONE 600) or run bridged at 400W X 2 to drive woofers or subwoofers. The FOUR.100 also has Bandpass filters for your active speaker needs. It is also a perfect companion for systems that include MUSWAY DSP/Amps and Processors.
FOUR.100 Product Overview
- Start-Stop ready
- EPS (Intelligent High Level Input Error Protection System)
- Utilizes 4-fold laminated circuit boards that allows for small size and effectively suppresses EMI (RF) interference which is a must for full range Class D Amplifiers. Passes the difficult EMI European standards.
- High- and Low-Level Inputs
- RCA (Low Level) output.
- Brushed aluminum heat sink and end panels
- Auto Turn On via DC Offset or Signal Sensing
- Remote level controller is included in the box
Product Specifications:
- OUTPUT POWER RMS @ 13.8V:
- 4 x 120 W @ 4 Ohms
- 4 x 200 W @ 2 Ohms
- 2 x 400 W @ 4 Ohms bridged
- OUTPUT POWER RMS @ 14.4V:
- 4 x 131 W @ 4 Ohms
- 4 x 218 W @ 2 Ohms
- 2 x 435 W @ 4 Ohms bridged
- Frequency Range -3dB: 4-39000 Hz
- Damping Factor: 300
- S/N ratio: > 107 dB
- THD+N: < 0.02%
- Input Sensitivity
- 5-0.2V
- Channel 1/2
- Crossover Modes: Full - HP-Copy
- High Pass Filter: 50 - 5000 Hz
- Channel 3/4
- Crossover Modes: Full - HP - LP/BP
- High Pass Filter: 10 - 500 Hz
- Low Pass Filter: 50 - 5000 Hz
- Bass Boost: 0 - 12 dB @ 45 Hz
- Start-stop capability: 8.5V
- High Level Input with EPS : Yes
- Auto Turn On: Via DC or Signal
- Fuse Rating: 1 x 70A (external)
- Dimensions: 220 x 45 x 150 mm
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 4
He likes it!
Color: Hammer, Size: Large, Color: Hammer, Size: Large
Shipping was quick, the packaging and product came undamaged.
Cute.
This dog toy is super soft. The squeaker is inside and seems more durable than most others.
The little bit of rope at the bottom is not the typical material you find with other popular dog toys.
My GR enjoys playing fetch with it and hasn't destroyed it. I feel this product is a decent value and would get it again. Other options to choose from too.
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Cool dog toys with funny faces on
Color: Hammer, Size: Small
Bought bunch of these cute tool dog toys for my friends' dogs, they love them! Especially when you see them playing with these toys which has funny faces on. The quality is decent, and small size ones is good for small to medium sized dogs.
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Reviewed in the United States on April 1, 2026
★★★★★ 4
Durable and fun dog toy.
Color: Hammer, Size: Large
This plush hammer toy is incredibly soft and adorable, filled generously with plush material. My dog looks so goofy carrying it around in his mouth, and he has so much fun squeaking it! It's surprisingly durable; unlike many of his toys, which he typically chews through quickly, this one has stood up to his rough play so far. The little rope at the end is a thoughtful design element, allowing him to chew on it while maintaining durability. At 12 inches, the size is generous, making it perfect for medium and large dogs. Cleaning is easy; it can be spot cleaned with a microfiber cloth and warm, soapy water. For just $14.99, this toy is an excellent quality choice for the price!
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Reviewed in the United States on February 1, 2026
★★★★★ 5
Phoebe approved! 3 months and still going!!
Color: Hammer, Size: Large, Color: Hammer, Size: Large
I have 2 dogs--a chocolate lab and a pittie mix. Normally, they shred their toys within minutes/hours if not days, but this one has lasted for over 3 months! It is well loved and starting to show some wear, but I am super impressed with how long this one has lasted. It has a couple holes in it but they haven't disemboweled it. The squeeker didn't last too long, but they never do.
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Reviewed in the United States on April 7, 2026
★★★★★ 3
Good for modest chewers who don't destroy toys.
Color: Hammer, Size: Large
We have four dogs, one of whom is a super chewer. Unfortunately, this toy wasn't even durable enough to stand up to our mid-level chewer. She had the squeaker out of this in mere moments, and the rope was untied and in shreds. We had to basically remove the squeaker from her, then clip the rope from the toy so she didn't try to eat it. Now, don't get me wrong. She's still having a great time with this toy, even as she whips it around and tosses stuffing everywhere. This is definitely sized for medium to large dogs, but I would only recommend this to dogs who don't like to destroy their toys, but instead just like to squeak them and maybe play some light tug. For those dogs, this will be a great option. For super chewers, this will last only minutes and I would not recommend it.
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Reviewed in the United States on March 24, 2026
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