Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
ESX SX800.4 - 4 Channel AmplifierWith the new SIGNUM SX power amplifiers, ESX is opening a whole new chapter: For the first time, the series features heavy, precision fit heat sinks made of die cast aluminum a feature previously unheard of in this price range. The advantages are obvious: The solid construction combined with modern Class D technology allows the cabinets to remain astonishingly compact and set new standards with their high efficiency and performance. This makes the
With the new SIGNUM SX power amplifiers, ESX is opening a whole new chapter: For the first time, the series features heavy, precision-fit heat sinks made of die-cast aluminum – a feature previously unheard of in this price range. The advantages are obvious: The solid construction combined with modern Class D technology allows the cabinets to remain astonishingly compact and set new standards with their high efficiency and performance. This makes the SIGNUM SX series the ideal solution for anyone who demands exceptional quality in sound and workmanship.
Features
- Efficient Class D Technology with compact Dimensions
- Die-cast Aluminum Heatsink with optimal Cooling Properties
- RCA Inputs, RCA Outputs
- Compact Bass Remote Controller
- High Level Inputs with Error Protection System (EPS®)
- Auto Turn-On Function
- Start/Stop Ready
Specifications
- 4-Channel Class D Digital Amplifier
- 4 x 110/200 Watt RMS @ 4/2 Ω
- 2 x 400 Watts RMS @ 4 Ω bridged
- HPF/LPF 50 - 5000 Hz (FRONT)
- HPF/LPF 50 - 5000 Hz (REAR)
- Bass Boost 0 - 12 dB (REAR)
- Input Selector 2CH/4CH
- Dimensions 140 x 44 x 225 mm
- Efficiency up to 90%
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
4.6 ★★★★★
Based on 736 reviews
Sort
Product Reviews
★★★★★ 4
Heavy duty rubber bone
This bone is really heavy duty. It's got a groove down the middle of you you can put your pups favorite lickable treat. My 36 lb aussie enjoyed chewing on this and was nibbling the ends. This bone has held up to her chewing it with only a couple little pieces coming off.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2026
★★★★★ 5
Big hit with my super chewer.
Here’s an expanded, Amazon-friendly version that keeps a natural, human tone while adding helpful detail:
This is a truly heavy-duty chew bone and a great option for aggressive chewers. The first thing I noticed when I took it out of the package was the weight. It’s solid and well made, so it definitely feels like it’s built to last. Because of that, I would recommend being mindful when handing it to your dog and avoiding tossing or dropping it on hard floors or toes.
My dog, Yukon, was instantly thrilled with it. From the moment I gave it to him, he’s been carrying it around proudly and settling in to chew on it for long stretches of time. It’s kept his attention much better than lighter chews, and it’s holding up well to his strong jaws so far. I also love that it provides great enrichment and gives him a safe, satisfying outlet for his chewing instincts.
Overall, this chew bone has been a big hit in our house. If you have a powerful chewer and are looking for something durable that will actually keep them engaged, this is a solid choice. I’m very glad I picked it up for Yukon and would recommend it to other dog owners with heavy chewers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2026
★★★★★ 5
Immediate Hit With My Power Chewer!
Immediate hit. Like, didn’t even make it fully out of the package before my dog was sniffling around the package, all excited.
I have a serious chewer, the kind that treats most toys like a personal challenge. This one has actually held up. It’s firm and tough, but not rock hard like those nylon bones that make me nervous about teeth. There’s a little bit of give to it, which I like.
The beef flavor must be legit because he keeps going back to it. This isn’t one of those toys that gets ignored after five minutes. He’s been happily gnawing on it and hasn’t managed to destroy it yet, which honestly says a lot in this house.
I also like the shape and texture. It’s easy for him to hold, and the ridges seem to keep him engaged longer. Bonus points if it’s helping his teeth even a little, because chewing is already his favorite hobby.
No toy is truly indestructible, but this has definitely earned its place in the “worth buying again” category. If you’ve got a medium to large dog who lives to chew, this one’s a solid win.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026
★★★★★ 5
Great Chew Toy for Destructive Dogs
I got this toy for our lab/pit mix, who tends to destroy most chew toys. He seems to really enjoy it so far, preferring it over his other toys. I'm not sure if it’s just the novelty of a new toy, or whether he actually likes the "real beef flavor," but either way, he's definitely into it.
I’ve noticed some small teeth marks in the rubber, but nothing that concerns me too much at this point. My kids thought it looked pretty gross when I first pulled it out, which always makes me laugh! Overall, I'm very satisfied with the toy’s performance so far. It seems durable and I hope it lasts a long time--based on how things are going, I think it will. It's definitely worth the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
★★★★★ 5
Unusual looking, but durable and the pup likes it.
From the moment I took the box containing this toy out of its shipping box, my dog went nuts. He was not going to wait and had to have it NOW. Clearly the scent was quite appealing (if you’re a dog). He’s had it for a week now and he continues to enjoy it. This “meat bone” may not look appetizing to us, but my pup chews it regularly. The grooves and ridges seem to be interesting to him, and likely help with his dental health. The bone has held up quite well so far. My dog is an aggressive chewer and this one remains in good shape. Unlike plastic ones that leave a lot of sharp pieces all over - this one stays intact. Recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 4, 2026
recommand products
Elizabeth Craft Clear Stamps, Love & Roses
31.95
Crafter's Companion Make And Send Pad 12"X12", Everyday
30.00
Studio Light, Art by Marlene, Journal Pages For ABM-ES-JOUR05, Black Essentials, 8.3" x 11.7"
11.00
Katkin Krafts, 6"x8" Clear Stamps Set, Ferns and Fungi
28.95
PhotoPlay Collection Pack 12"X12", The Brave
18.00