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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
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Description
BLAM RELAX RA 251 D - Monoblock AmplifierThe RELAX RA 251 D is an outstanding 1 channel amplifier from BLAM that impresses with its compact size and powerful performance. It's special features such as the high level inputs and the included bass remote control, make it an exceptional choice in the world of audio amplification. Thanks to its easy to use design, the RA 251 D can be perfectly tailored to your needs and takes your sound to a new level. Compared to conventional amplifiers, it
The RELAX RA 251 D is an outstanding 1-channel amplifier from BLAM that impresses with its compact size and powerful performance. It's special features such as the high-level inputs and the included bass remote control, make it an exceptional choice in the world of audio amplification. Thanks to its easy-to-use design, the RA 251 D can be perfectly tailored to your needs and takes your sound to a new level. Compared to conventional amplifiers, it stands out noticeably with its high-quality workmanship. Very easy to install and compatible with original car radios this ultra-compact amplifier allows you to add a subwoofer to your installation for an incomparable listening comfort. The RA 251 D is therefore a powerful, practical and high-quality solution for your sound experience
Composition
- Automatic start-up
- Low and high level compatible RCA inputs: 0.3V /15V
- Power (4 Ω): 150 Watts RMS
- Power (2 Ω): 250 Watts RMS
- Low pass filter: 35 Hz – 500 Hz (12 dB/octave)
- Frequency response: 15 Hz – 500 Hz
- Bass boost adjustable up to +12 dB (45 Hz)
- Signal to noise ratio: 90 dB
- Protections: short circuit / low impedance / reverse polarity / thermal protection
- Wired remote control included
- Dimensions (L x W x H): 158 × 91.4 × 36 mm – 6.2″ × 3.6″ × 1.4
Supplied accessories
- Fixing screws
- Instructions for use
- Wired remote control
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
4.0 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Works like a charm!
Color: Brown
Works like a charm. My puppy was crying and would not stop -as soon as I put batteries in and turned it on -my puppy went right to sleep and slept all night. I’d say that’s 5 stars.
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Reviewed in the United States on June 10, 2026
★★★★★ 5
Perfect for puppies!!
Color: Brown
I have boughtv3 of these! I bought one for each of my puppies. They still have them and sleep with them. My oldest dog is a rottweiler and is 4 now, she has kept her heartbeat puppy in almost perfect condition.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Worth the money!
Color: Brown
If your puppy has a hard time sleeping- just get it! Our puppy loves it and sleeps with it every night! I couldn’t believe the difference it made. He sleeps through most of the night now and only wakes up to potty!
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Reviewed in the United States on May 16, 2026
★★★★★ 4
Cute, unrealistically loud, and quickly outgrown
Color: Brown-D
This puppy is super cute. The heartbeat sound is louder than it needs to be. My puppy (8-11 weeks) doesn't seem to find it comforting. The cactus toys are cute but are destroyed easily. The rope toys in varying sizes are holding up well, but we will have to remove half of them as they are becoming a choking hazard size as our puppy grows. We've only had this a couple of weeks, and she's already outgrown most of what is in this set.
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Reviewed in the United States on February 14, 2026
★★★★★ 3
Doggy tedybear
Color: Brown
Cute. My pup likes it
But not sure if the heartbeat helps calm her or not
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Reviewed in the United States on March 22, 2026