SKU: 85990285124

audison SR 4.300

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Description

audison SR 4.300Audison SR 4. 300 4 channel amplifier with crossover and great power packed into ultra compact dimensions (85 W x 4 4?) SR line, perfected by taking full advantage of the capabilities of the latest amplification devices. After numerous listening tests with professionals and enthusiasts, Audison's R&D team decided to adopt a new class D technology called ADT (Audison D Class Technology) for this line of amplifiers, which has made it possible to

Audison SR 4.300 4-channel amplifier with crossover and great power packed into ultra-compact dimensions (85 W x 4  4?)

SR line, perfected by taking full advantage of the capabilities of the latest amplification devices. After numerous listening tests with professionals and enthusiasts, Audison's R&D team decided to adopt a new class D technology called ADT (Audison D-Class Technology) for this line of amplifiers, which has made it possible to considerably reduce their size, totally preserving the audio performance that characterises every Audison design.

As far as the electronic design is concerned, every aesthetic and functional detail of the Audison SR 4.300 has been taken care of, resulting in a compact amplifier made of extruded aluminium with rounded corners, which facilitates the installation of the product in narrow spaces. Thanks to the generous heat sinks on the two short sides of the amplifiers, there is no need for internal cooling fans, which often cause noise and dust accumulation.

In keeping with tradition, the SR amplifiers confirm their vocation for versatility by including on all models a complete filter section, suitable for any kind of audio system configuration. The controls, protected by a satin-finished aluminium panel, are located on the top panel of the amplifier, so that they can be easily reached from above, even after the product has been installed. When the system includes an Audison bit processor, the filter section can be totally excluded.

Audison USS

Thanks to the integration of Audison USS (Universal Speakers Simulator) technology in the high level inputs, the SR amplifiers can also be conveniently connected to OEM sources equipped with the 'speaker load detection' function, which monitors the presence of a low impedance load enabling the audio outputs.

Audison SR 4.300 allows multiple connectivity

All models have balanced high-level inputs for connecting to the OEM headunit speaker output and a low-level RCA for after-market speakers. When using the high-level input, the ART (Automatic Remote On/Off) function can be enabled to control the amplifiers' power-up with the headunit's power button. In addition, there is a remote IN / OUT socket to allow control of multiple amplifiers in cascade that turn on when needed.

Through the PRE-OUT signal using the Speaker-IN socket it is possible to interface the amplifier with OEM sources that only have amplified outputs, allowing for system expansion.

Amplifier Tech Data

Channels 4
Class D-Class
Hi Level Input Yes
Low Level Input Yes
Digital Input No
Power supply voltage / fuse 11 ÷ 15 VDC / 1 x 30A
Operating power supply voltage 6.5V ÷17 VDC
Idling current 1.6 A
Idling current when off 0.03 mA
Consumption @ 14.4 VDC, 2?, Max Musical Power 25 A
Remote OUT 6.5 ÷ 15 VDC (150 mA)
Remote IN 6.5 ÷ 15 VDC (1 mA)
ART - Automatic Remote Turn on/off from OUTPUT BTL speakers (Selectable) 1.5 ÷ 7 VDC

Amplifier Stage

Distortion - THD @ 100 Hz, 4?, 70% Rated Power 0.03%
Bandwidth A 10Hz ÷ 35 kHz
S/N ratio A 100 dBA
Damping factor A 150
Input sensitivity Pre-In 0.2 ÷ 5 VRMS
Input sensitivity Speaker-In 0.8 ÷ 20 VRMS
Total Power RMS 520 W
Minimum load impedance @ 4Ch: 2?
@ 3Ch: 2? + 2? + 4?
@ 2Ch: 4?
Output Power (RMS) @14.4 VDC, 1% THD 4Ch 85 W x 4 (4?)

4Ch 130 W x 4 (2?)

3Ch 80 W x 2 (4?) + 250 W x 1 (4?)

3Ch 130W x 2 (2?) + 260 W x 1 (4?)

2Ch 250 W x 2 (4?)
Adjustable Crossover Yes

CEA Specifications

Output power @ 4?, 1% THD+N, 14.4 V Output power @ 4?, 1% THD+N, 14.4 V: 75 W x 4 Ch
SN ratio (ref. 1W output) SN ratio (ref. 1W output): 82 dBA

Inputs

Input Type Pre-In / Speaker-In
Filters Outputs PRE OUT full range (Input A)
Filter Pass A Ch Filters: - Full Hi-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
Filter Pass B Ch Filters: - Lo-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
Filter Pass C Ch Filters: - Full Hi-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
Filter Pass D Ch Filters: - Lo-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct.
Channel Mono A/B Ch MONO IN (on/off) Yes
Inputs/Outputs Bass Boost B Ch (0 ÷12) dB

Other

Weight 1.56 kg

Features

  • Elegant and functional design with rounded corners to minimize space, facilitating installation.
  • Built-in USS (Universal Speakers Simulator).
  • Full built-in crossover section.
  • Balanced high-level inputs for connecting to the OEM head unit speaker output
  • Low-level RCA for after-market speakers.
  • ART (Automatic Remote On/Off) function.
  • Remote IN / OUT socket to allow control of multiple amplifiers.
  • PRE-OUT allows for system expansion.
Shipping Notes
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Exchange/Return Notes
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SKU: 85990285124

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4.3 ★★★★★
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Melissa Williams
Lowell, US
★★★★★ 4
4.25 stars
Format: Kindle
Vale is an 8 month pregnant omega working as a waitress at a strip club and a cam girl. She starts to get very creepy vibes from a regular at the club, and her baby daddy ghosted her. She has had an online relationship with a man named Bishop through her cam girl status. One night, bishop was paying to watch her sleep and ansthe creepy regular Andrew break in and watch her sleep he tells vale to come to him at his business now. She flees and finds herself at a large security company with some.hot of alphas who are there to help her. This imegaverse is a little different than I have read, but I am thoroughly enjoying it. Vale is not a traditional omega she was raised by a single beta mom, and the alphas are not normal alphas they have never really loved pack life. But they are ruthless mercenaries. They need her, and she needs them. I love the aspect of the stalker and now the plot twists at the end, so so good. Sometimes, it seemed a little slow and stale mated, but since this a duet, I think It was just her starting to have Vale get to know her alpha suitors. Cliffhanger for sure with this one.
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Reviewed in the United States on September 9, 2024
A
Verified Purchase
Austin & Cambria
Whiting, US
★★★★★ 5
That ending 😫
Format: Kindle
I fell into a false sense of security and really thought this was gearing towards a happy ending. Then I realized there’s no work they don’t punish Andrew. I really liked Vale’s character. I don’t normally read books with pregnancy but going into this knowing she was pregnant made it more enjoyable for me. I loved Bishops devotion to her and her happiness. I also loved that Holt and Mercy couldn’t fight their attraction to her. I love scent matches so very much. I’m so curious to see how this duet will end up. And I need to pay more attention and notice that a book I’m starting is a duet to begin with lol
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2025
S
Verified Purchase
Sarah A
Charlottesville, US
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
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Reviewed in the United States on December 27, 2025
R
Verified Purchase
Ruth Ann Burt
Waukegan, US
★★★★★ 5
Great book
Format: Kindle
I absolutely feel in love with all 4 characters!!! The bedroom scenes were 🌋🌡🔥🔥🔥. I couldn't put this book down!!! I'm hooked for the whole series Book 2 here I come!!!!! Its a fun easy book and story to read!!
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Reviewed in the United States on October 4, 2024
D
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Danyelle
Waukegan, US
★★★★★ 4
Fun with a late blooming omega
Format: Kindle
I like this book. The story is fun, cute, and sexy. There's just a little drama, some excellent, steamy scenes, and a fairly good relationship building storyline. I especially like how all the main characters are a bit older than the usual 20 somethings I tend to see in this kind of book. Having said that, I wish there were more descriptions of the places, as well as the food in the fancy restaurant. I enjoyed the cocktails at the club, so I missed that kind of detail when Gray took Madison on a dinner date. I also wish there had been more interaction between Lucas and Madison, and Lucas and Rian. It felt a bit lopsided, with a focus on Rian, Madison, and Gray. I wish it had been proofread - there are a lot of typos, but nothing too distracting.
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Reviewed in the United States on September 12, 2022

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