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Description
RDL EZ-SX4 Stereo Audio Input Switcher - 4X1The EZ SX4 is a stereo audio source selector with an output volume control that adjusts the line level output. This unit is ideal as a four input source selector feeding an associated audio amplifier. The user can conveniently select an audio source and adjust the level on the front panel. The EZ SX4 is used in stores, houses of worship, restaurants, clubs, home component systems and commercial sound systems. Features Four Input Source Selection
The EZ-SX4 is a stereo audio source selector with an output volume control that adjusts the line-level output. This unit is ideal as a four input source selector feeding an associated audio amplifier. The user can conveniently select an audio source and adjust the level on the front panel. The EZ-SX4 is used in stores, houses of worship, restaurants, clubs, home component systems and commercial sound systems.
Features
- Four Input Source Selection
- Unbalanced Stereo Audio Inputs and Output
- Inputs and Line Output on Rear-Panel RCA Jacks
- Line Output Level Controlled by Front-Panel Knob
- Full-Size Interlocking Pushbuttons on Front Panel
- Easy-to-Push Large Buttons
- Solid-State Audio Switching
- Switch Noise Cannot Affect Signal Quality
- Select Source and Set Volume at One Location
- Connect Directly to a Power Amp as the User Interface
- Gold Plated RCA Input and Output Jacks
Specifications
| Inputs (4): | Stereo on dual RCA jacks, > 10 kΩ, -10 dBV nominal, +10 dBV max. |
| LEVEL control: | Off to +12 dB gain |
| Output: | Stereo on dual RCA jacks, line level, -10 dBV nominal, +17 dBV max. |
| Frequency Response: | 10 Hz to 20 kHz (±0.01 dB) |
| THD+N: | < 0.02% |
| Crosstalk: | < -70 dB (1 kHz) |
| Noise: | < -80 dB (below -10 dBV) |
| 24 Vdc power supply current: | 30 mA (idle), 60 mA (max.) |
| Case dimensions: | 5.75” (14.6 cm)W x 5” (12.7 cm)D |
| Mounting size: | 1/3 rack width |
| Package Type: | Cardboard Box |
| Tariff code: | 8543.70.9860 |
| WEEE weight: | 0.795 lbs. |
| Shipping Weight: | 1.2 lbs. |
| Package Dimensions: | 9.5 x 7 x 2.25 in. |
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 2220 reviews
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Product Reviews
★★★★★ 5
Hydrating and Powerful Barrier Repair Serum!💧
This serum has been life-changing in calming and restoring my skin barrier. It absorbs quickly, feels lightweight, and instantly soothes irritation without feeling greasy. I’ve noticed my skin looks healthier and more balanced after just a few uses. It’s gentle enough for sensitive skin and works especially well when my skin barrier feels compromised. It is also fragrance-free, which I always appreciate! Trust me, it’s well worth the money!
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Reviewed in the United States on December 28, 2025
★★★★★ 5
Works as created.
Have been using for a few weeks and have noticed 15% improvement in skin and issues. I did notice a difference in the first 24 hours as advertised. It is suggested need a full month I think to see the true results.
At 50 I have pre menopausal skin issues- the redness & inflammation, acne, tightness and sensitivity. It is helping in addition to the other Avene skin products that come in the trial box for sensitive or SOS skin box trial size I think ot is called.
This has made a difference. It is easy to apply. I use morning and night. It is different from the Cicalfate + Cream. I use that also as needed. I am happy and recommend it. The price is higher than what I spend. But I wanted to try it to see of i need more than just what was in the Avene sensitive skin trial size box they have. My skin is really red and irritated so the $40 for the bottle is was willing to try because it's painful on my face.
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Reviewed in the United States on April 23, 2026
★★★★★ 4
Okay serum, not as good as the cream though
I am obsessed with the cream version of this so I thought I’d give this a try. The dropper top allows for easy application. The formula is light and non greasy and absorbs easily. No harsh fragrances. I would use it when I had eczema flares on my face and feel like it didn’t work near as well in helping with skin irritation as the cream does. As of now I don’t use it as part of my regular skin care. Do I think it’s a bad product? No, but it didn’t really work wonders for me. Not sure I would purchase again.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Helps with redness and softens skin
I have sensitive, mild rosacea skin. Had a facial recently and the aesthetician suggested I get a serum to help with moisturizer as I am almost 40. I’ve tried a lot of serums and either they are sticky and not really hydrating or break my skin out in a rash. This serum is amazing. Helps calm the redness in my cheeks and my skin is moisturized and soft all day. It feels a little sticky at first but it goes away. I apply in this order OSEA sea mineral mist toner to prep the skin, this serum and top off with Chanel La Solution 10 for sensitive skin.
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Sensitive skin
Such a good product. I use after micro needling when skin is sensitive. Also a great product to use as a barrier serum when starting tretinoin cream.
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Reviewed in the United States on April 24, 2026