SKU: 92259629022

Ashly MA-250.4 High-Performance 4-Channel Installation Amplifier

$1565.55 $1739.50
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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16

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Description

Ashly MA-250.4 High-Performance 4-Channel Installation AmplifierPower your speakers with the latest amplifier technology with the Ashly MA 250. 4, a 4 channel power amplifier that delivers 250W of power per channel. The amplifier incorporates Ashly's proprietary advanced intelligent power sharing and ultra efficient D MAX amplifier technology for the cleanest and most reliable performance with lower power draw. Additionally, the MA 250. 4's multi mode capabilities allow it to accommodate different speaker types,

Power your speakers with the latest amplifier technology with the Ashly MA-250.4, a 4-channel power amplifier that delivers 250W of power per channel. The amplifier incorporates Ashly's proprietary advanced intelligent power-sharing and ultra-efficient D-MAX amplifier technology for the cleanest and most reliable performance with lower power draw. Additionally, the MA-250.4's multi-mode capabilities allow it to accommodate different speaker types, switchable per channel from Low Z (2, 4, and 8 ohms) to Hi Z (25, 70, or 100V).

The MA-250.4 is 2 RU and can be mounted into a standard 19" rack enclosure. The rear panel features removable Euroblock input and output connections as well as remote VC ports and switchable 80 Hz HPF and Clip Limiter on each channel. The front panel provides a volume control knob for each channel and comprehensive LED indicators for levels and amplifier status.

AI Power Sharing

Advanced intelligent power sharing dynamically distributes power to channels where needed and adapts to varying conditions. Power sharing allows the amplifier to balance power between channels to match asymmetrical speaker loads. The advanced AI-based power sharing picks up where other amplifiers leave off by intelligently and automatically adapting to your varying power demands.

Ultra-High Efficiency

You can operate as many as any three MA amps on a single 20A service. Ashly optimized active air cooling using a newly developed SailFlow design, which moves the air along a selective path, to where it's needed most. Coupled with the new Ashly-engineered ultra-high-speed switching power-supply, the use of high-speed, lossless Silicone-Carbide switches, and intelligent power management, the end-result is nothing short of stunning.

Features

  • Advanced AI Power Sharing Technology
  • D-MAX Ultra-Efficient Amplifier Design
  • Cleaner and More Reliable Performance
  • 250W @ 2/4/8 Ohms + 70V
  • 500W Bridged
  • 80 Hz HPF and Limiter per Channel
  • Remote VC and Standby Ports
  • Front-Panel LED Indicators
  • SailFlow Directed Fan Cooling System
  • Includes Block Connectors + Power Cord

Specifications

Number of Channels
4
Amplifier Power Rating
2 Ohms / 4 Ohms / 8 Ohms / 25 V / 70 V / 100 V:
250 W per Channel
500 W Bridged
Load Impedance / Voltage
2 / 4 / 8 Ohms per Channel
25 / 70 / 100 V per Channel
Analog Audio I/O
1x Block 12-Pin Balanced Line Input
2x Block 4-Pin Speaker Output
Digital I/O
No
Network I/O
No
Rackmount Size
2 RU
Amplifier
Number of Channels
4
Amplifier Power Rating
2 Ohms / 4 Ohms / 8 Ohms / 25 V / 70 V / 100 V:
250 W per Channel
500 W Bridged
Amplifier Class
Class-D
Load Impedance / Voltage
2 / 4 / 8 Ohms per Channel
25 / 70 / 100 V per Channel
Performance
Protections
Output Limiter, Overcurrent, Thermal
Signal Processing
Limiting
Yes
Connectivity
Analog Audio I/O
1x Block 12-Pin Balanced Line Input
2x Block 4-Pin Speaker Output
Digital I/O
No
Network I/O
No
USB I/O
No
Mobile App Compatible
No
Wireless
No
Power
AC Input Power
100 to 240 VAC, 50 / 60 Hz
AC Power Connector
1x IEC 15 A / NEMA 5-15
Physical
Display & Indicators
LED (Bridged Mode/Current/Input/Mute/Peak/Protect/Temp, per Channel)
Rackmount Size
2 RU
Cooling
Fan (Variable Speed)
Dimensions
19.0 x 3.5" / 48.3 x 8.9 cm
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 92259629022

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4.3 ★★★★★
Based on 17 reviews
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Product Reviews
A
Verified Purchase
AGJ
Cuba, US
★★★★★ 5
Great for training and play!
Size: Medium, Number of Items: 1
My German shepherd love this toy! Great to take on walks with you as light weight and can fit in your pocket. Stands up to the toughest of play. Great as reward toy for training in place of treats! We always have one on hand at home or out and about!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
R
Verified Purchase
Room112
Bozeman, US
★★★★★ 5
Great for big dogs
Size: Medium, Number of Items: 1
Our pup is now 15 months old (nearly 110 lb and still growing). We got this ball when he was 3 or 4 months old. GOODS - - Our pup fetches with extreme drive, and the rope helps him quickly snatch the ball off the ground (versus a tennis ball, in which we are worried he will go head over heels at times) - Our pup also loves to play fetch in the water, and this ball floats great and again, the rope gives another point to bite onto - The yellow color is easy to see, even in grass - Our pup typically fetches the ball, and leaves the rope mostly out of his mouth. So, throwing the ball doesn't result in saliva-covered hands - It's pretty easy to throw the ball 50', and possible to throw it 100' - It doesn't roll/bounce, so if you are for example playing fetch on your front lawn and are concerned with a tennis ball rolling into the street, this one alleviates that issue - Our pup is spoiled and has several balls. This is absolutely his go to ball. We have woken up in the morning before to see him standing next to the bed with the ball in his mouth, asking us to get up and play. BADS - - Occasionally when he goes to fetch it, he will step on the rope as he tries to pull up on the ball. - We have gotten this ball stuck in trees multiple times. In fact, there is one stuck on the roof of our church from playing fetch on the lawn there. :-/ Not a fault of the ball, but if you start whipping it around like nunchucks, it might not go where you want. - The near max you can through this ball is 100'. And since it doesn't roll/bounce, throw distance is throttled. We often play fetch in a local baseball field, and have no issue wearing him out with this ball. However, if you are planning on throwing a ball the distance of half a football field, you might want to consider something else. SIZE - - We purchased both the medium and the large. Even though our pup is huge and can fit a soccer ball in his mouth, he still prefers the medium. It's easier for him to get in his mouth and breath while running back. The medium is the size of an orange, whereas the large is the size of a grapefruit. DURABILITY - - We have gone through about 4 of these balls, BUT this is because we lost 3 of them. We believe he dropped one out of the car window while we were driving, one is on the roof of our church, and I forget about the other one. On the first one we had, the stitching behind the black tape was down to a few threads after about 5 months. Given duration we use these balls (every day) and the joy he gets from them, I feel the durability is good for the price. - We do play tug with the ball at times, and no issues there Enjoy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 17, 2013
G
Verified Purchase
Greg
Bozeman, US
★★★★★ 3
Good but better options out there.
Good ball, but is a cheaper version of the Foamster sold online. The rope is cheap and comes apart, and can be abrasive to a dogs mouth. The Foamster uses a higher quality ball and are more durable and use grippy biothane straps rather than cheap rope. They are also made to order in the USA with lots of fun colors. Worth the extra money if your dog likes these balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2025
K
Verified Purchase
Kristen
Waukegan, US
★★★★★ 5
Fun toy for fetch
Size: Medium, Number of Items: 1
Daisy loves this toy. I found it from her dog trainer, and it makes rewarding her with a quick tug of war and fetch really easy. Also it’s shockingly durable. It looks like foam, but she has not destroyed this one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 11, 2025
D
Verified Purchase
Dave
Louisville, US
★★★★★ 5
One Tough Ball!
Color: Blue
Our dogs are loving this ball. Our 1 yr old hound is a world-class chewer and he can't make a dent in this ball. The interactive buzzing and bouncing keeps them entertained for long durations. It's a mite noisy but the barking from the 1 yr old is much louder, lol. Even turned off, they like playing with it and chewing on it. Based on the tough construction, we think it will last much longer than traditional chew balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026

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