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Description
audison SR 4.500The Audison SR 4. 500 4 channel amplifier with crossover features great power packed into ultra compact dimensions (130 W x 4 @ 4?). As far as the electronic design is concerned, every aesthetic and functional detail of the Audison SR 4. 500 has been taken care of, resulting in a compact amplifier made of extruded aluminum with rounded corners, which facilitates the installation of the product in narrow spaces. Thanks to the generous heat sinks on the
The Audison SR 4.500 4-channel amplifier with crossover features great power packed into ultra-compact dimensions (130 W x 4 @ 4?).
As far as the electronic design is concerned, every aesthetic and functional detail of the Audison SR 4.500 has been taken care of, resulting in a compact amplifier made of extruded aluminum 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.
As far as the electronic design is concerned, every aesthetic and functional detail of the Audison SR 4.500 has been taken care of, resulting in a compact amplifier made of extruded aluminum 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.
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 / 2 x 25A |
| Operating power supply voltage | 6.5 ÷17 VDC |
| Idling current | 1.7 A |
| Idling current when off | 0.09 mA |
| Consumption @ 14.4 VDC, 2?, Max Musical Power | 40 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 | 0.08 % |
| Bandwidth A | 10 Hz ÷ 35 kHz |
| S/N ratio A | 105 dBA |
| Damping factor A | 200 |
| Input sensitivity Pre-In | 0.2 ÷ 5 VRMS |
| Input sensitivity Speaker-In | 0.8 ÷ 20 VRMS |
| Total Power RMS | 880 W |
| Minimum load impedance |
@4Ch: 2? @ 3Ch: 2? + 2? + 4? @ 2Ch: 4? |
| Output Power (RMS) @14.4 VDC, 1% THD |
4Ch 130 W x 4 (4?) 4Ch 220 W x 4 (2?) 3Ch 120 W x 2 (4?) + 480 W x 1 (4?) 3Ch 220 W x 2 (2?) + 440 W x 1 (4?) 2Ch 450 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: 125 W x 4 Ch |
| SN ratio (ref. 1W output) | SN ratio (ref. 1W output): 83 dBA |
Inputs
| Input Type | Pre-In / Speaker-In |
| Filters Outputs | PRE OUT full range (Input A) |
| Filter Pass A | Front Ch Filters - Full Hi-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct. |
| Filter Pass B | Front Ch Filters - Full Lo-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct. |
| Filter Pass C | Rear Ch Filters - Full Hi-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct. |
| Filter Pass D | Rear Ch Filters - Lo-pass: 50 ÷ 3.2k Hz @ 12 dB/Oct |
| Channel Mono | A/B Ch MONO IN (on/off) Yes |
| Inputs/Outputs Sub CH | (-20 ÷ 6) dB |
| Inputs/Outputs Bass Boost | B Ch (0 ÷12) dB |
Other
| Weight | 2.12 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.
- Optional VCR-S1 remote control offers the possibility to adjust the subwoofer level (-20 / + 6 dB) to your musical preference.
- 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
- 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 9 reviews
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Product Reviews
★★★★★ 5
Magnet very strong and holds the phone securely.
Color: Black
Very nice wireless Magsafe Charging Station for my new iPhone17. Once the phone is mounted on the charger it is very secure. The base also charges an Apple watch and Airpods. The unit comes with an adapter power cord and brick/block. It has a slim design and fits well on my small bedside table. Unfortunately, I am returning it. I hadn't thought about how hard it would be to dismount the phone from the magnet. My hands are very weak from arthritis and to get the phone off the charger I had to hold the charger with one hand and pull hard on the phone with the other. Not workable for me.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
An amazing budget charger!
Color: Black
The Hevanto 2026 3 in 1 Wireless Charging Station for Apple MagSafe Charger is a convenient and space-saving charging solution for Apple users. With this product, you can charge your iPhone, Apple Watch, and AirPods in one convenient location, which helps declutter your workspace or nightstand. I also love that the adjustable stand is included, which helps you view your phone while you're charging it. All in all, this is a great and convenient charging station that helps you charge your devices quickly and efficiently.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Sleek design, fast shipping, and works perfectly!
Color: Black, Color: Black
I’m really impressed with this charging station. The minimalist design blends in perfectly with my desk setup and looks very professional. The shipping was incredibly fast, which was a huge plus.
As for the performance, the magnets are very strong and hold my phone securely. I love being able to charge my iPhone, Apple Watch, and AirPods all at once with such an easy setup. It’s a great way to keep everything organized!
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Reviewed in the United States on March 30, 2026
★★★★★ 4
Can't be used with galaxy watches
Color: Black
Great device for apple products charges android phones with magsafe adaptors and Samsung ear buds but will not charge a galaxy watch the magnets are opposite of the apple watch magnets and it will not charge your galaxy watch at all so id recommend using for apple products only
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Reviewed in the United States on April 9, 2026
★★★★★ 5
So Beneficial!
Color: Silver
I bought the HERRBOL 3-in-1 Charging Station for my husband and honestly, it ended up being one of those purchases that made my life easier too! From a wife’s perspective, anything that reduces clutter and keeps things organized is a huge win—and this charger does exactly that.
Before this, we had cables everywhere—on the nightstand, tangled behind the bed, constantly getting misplaced. Now, his phone, watch, and AirPods all have one neat, dedicated spot. It instantly made our space look cleaner and more put-together, which I absolutely love.
What really impressed me is how simple it is to use. He just drops everything onto the stand and it charges—no fuss, no plugging and unplugging. The magnetic alignment for the phone is strong and satisfying, and I never have to hear “Have you seen my charger?” anymore (which might be my favorite feature, honestly!).
It’s also very sleek and modern-looking, so it doesn’t feel like an eyesore sitting on our nightstand. It blends in nicely with our decor, which is something I always pay attention to.
Overall, this was such a practical purchase that benefits both of us. If you’re a wife tired of messy cords and disorganized tech clutter, I highly recommend this charging station—it’s one of those small upgrades that makes daily life feel just a little bit smoother.
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Reviewed in the United States on March 22, 2026