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Description
Headliner HL90120 R4 Professional 4-Channel Rotary DJ MixerHouse music, techno, and classic funk DJs who also enjoy spinning soul and disco jams will delight in the technical prowess and sleek design of the R4 4 Channel Rotary DJ Mixer from Headliner. The versatile rotary DJ mixer features three stereo channels with selectable Line and Phono RCA inputs and one stereo channel with selectable Line and Mic inputs. All channels feature gain and peak LEDs, a three band isolator EQ, and an integrated, high current
House music, techno, and classic funk DJs who also enjoy spinning soul and disco jams will delight in the technical prowess and sleek design of the R4 4-Channel Rotary DJ Mixer from Headliner. The versatile rotary DJ mixer features three stereo channels with selectable Line and Phono RCA inputs and one stereo channel with selectable Line and Mic inputs. All channels feature gain and peak LEDs, a three-band isolator EQ, and an integrated, high-current headphone amplifier. A built-in analog filter boasts High-Pass and Low-Pass modes with frequency and resonance control and genuine ALPS potentiometers round out the many features on this feature-rich unit.
The R4 has independent Master and Booth outputs with balanced XLR and unbalanced RCA connectors for added flexibility when connecting to any sound system. There is also a headphone selector, a large channel volume control knob, and a filter activation switch with LED status indicators. Connect any type of headphones you desire via dual 1/4" and 3.5mm jacks and manipulate the headphone Cue section to control volume and to mix between Cue and Master listening modes or blend the two for executing seamless mixes from one track to another. The compact, high-quality unit features a classic look with a sturdy metal enclosure adorned with stained wood side panels.
Features
- Three stereo channels with selectable Line and Phono RCA inputs and one channel with selectable stereo line and mono microphone
- Each channel features Gain control with Peak LED, 3-Band Isolator EQ, Headphones Cue selector with LED, channel volume control, and filter activation switch with LED
- Master channel features analog filter, headphone monitoring and output control section
- Analog filter features selectable High-Pass / Low-Pass Filter modes with Frequency and Resonance controls
- Genuine ALPS potentiometers
- Headphone Cue control section features headphones volume control, headphones mix control (Cue/Master), and split monitor switch
- High-current headphone amplifier with dual 1/4” and 3.5mm jacks
- Independent Master and Booth outputs with volume controls, balanced XLR outputs and unbalanced RCA outputs
- Additional Record output with unbalanced RCA jacks
- Dual LED level meters for the Master output
- Microphone input with level control on front panel
- Sturdy metal enclosure with stained wood side panels for a classic look
- Modular internal construction for superior audio performance
- External split rail power supply connected via locking Mini XLR connector
- Push-button power switch on rear panel
Specifications
| Number of Channels | |
| Platter/Jog Wheel | |
| Faders | |
| Meters | |
| Meter Range | |
| Display | |
| Sample Pads | |
| EQ | |
| Performance Controls | |
| Built-In Effects |
Connectivity
| Audio Inputs | |
| Audio Outputs | |
| Phantom Power | |
| USB | |
| Wireless | |
| Media Card Slots |
Performance
| Frequency Response | |
| Input Level | |
| Gain/Trim Range | |
| Output Level | |
| Headphone Output Power | |
| I/O Impedance | |
| Load Impedance | |
| Crosstalk | |
| Dynamic Range | |
| THD+N |
Compatibility
| Included Software | |
| OS Compatibility | |
| Mobile App Compatible |
Power
| Power Requirements | |
| Power Supply Output | |
| AC Input Power | |
| AC Power I/O | |
| Current Consumption |
Physical
| Dimensions (W x D x H) | |
| Weight |
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
4.2 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Perfect Fluoride alternative
Size: Pack of 1, 4 Ounce, Set name: B. Whitening
I bought this because it's popular in other countries like Japan. America is so behind using fluoride, when it's been proven to cause pituitary gland problems. If you're looking for a fluoride-free toothpaste look no further.
It works well, you just unscrew and apply to your brush. Pro tip: use a sonic toothbrush and glide on your teeth at a 45° angle. Using this toothpaste for months, 2 minutes twice a day, has made my teeth visibly whiter.
The flavor is not super strong, so it's suitable for kids and really anyone. Super easy and simple to use, it works like regular toothpaste. Smells minty, it's fluoride-free, and medium sized. It'll last me about 2 months, which I find worth it.
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Reviewed in the United States on April 28, 2026
★★★★★ 4
Fluoride who?
Size: Pack of 3, 4 Ounce, Set name: B. Whitening
Great product definitely works better than your traditional fluoride or fluoride free toothpaste it actually combats plaque and strengthens the enamel of your teeth I have physically and visibly seen the difference not just in my teeth but gums. Tastes great cleans well clean ingredients the only downside is it's unfortunately very pricey and if you're buying for not just yourself but a family it can start to add up fast just something to consider before purchasing. I love the tube and cap design it's gentle on your gums and teeth and it has good ingredients making the minty flavor taste more natural rather than a synthetic mint flavor and this product actually whitens your teeth. keep in mind that this isn't a replacement for teeth whitening treatments and it's also not a replacement for good dental hygiene like flossing/brushing multiple times a day. If your suffering from serious Dental issues this will not cure it but it is an excellent alternative to fluoride toothpaste that provide little to no benefit for your actual oral and overall dental health. The reason for four not five stars is because of the price I think if they could continue making the same product got the same level of quality for a little less money it would be a five-star item
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Reviewed in the United States on March 8, 2026
★★★★★ 5
URGENT!!!! REALLY WORKS!!!! Fact ✔️
Size: Pack of 3, 4 Ounce, Set name: B. Whitening
I was immediately convinced this would work due to its ingredients, I had a previous filling fallout. So I immediately requested he apply another filling while I was getting some other dental work done, and the dentist said there was no rush to install, A new filling, showed me a picture. It looked great still white no cavities. In the high definition, microscope photo he showed me,It almost look like the inside of a white Jacuzzi tub with molded seat, I had the rest of the work done and didn’t get to go back soon enough, and the tooth started to bother me when something sweet would hit that spot and I looked in the mirror and it was starting to turn a light brownish color, I had just heard about HA toothpaste, I did some research and this is what I found
Hydroxyapatite = the SAME mineral your teeth are made of
• Your enamel is mostly this material (like 70–97% of tooth structure) 
• So instead of adding a chemical… it’s literally rebuilding with the original material
When you brush with nano-hydroxyapatite:
• Tiny particles fill in microscopic cracks in enamel
• Helps reduce sensitivity
• Can make teeth look whiter naturally (smoother surface reflects light better)
• Strengthens teeth against future damage
so I ordered 3 pack Boka HA and on everything I love in three days of brushing for 2 minutes twice a day morning at night, do not brush your teeth with tapwater ever!!! It has more chlorine than a swimming pool, calcium lead, and other harsh chemicals that will take away the layer it’s going to build always use bottled water and do not rinse this toothpaste out of your mouth. Let it settle in and pack it into your molars and in between your teeth,it was completely healed and no sensitivity to sugar, hot or cold, it tastes great, and the fluoride free is the only way to go fluoride will destroy your tooth enamel, I gave the other two tubes to my kids and they love it, I am looking forward to less dental appointments for sure!!!!!
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Five stars for BOKA without hesitation.
Size: Pack of 1, 4 Ounce, Set name: A. Ela Mint
I have tried a lot of natural toothpastes over the years and I can honestly say that Boka completely surprised me in the best possible way. From the very first use it felt like I had finally found a toothpaste that balances modern science with a clean ingredient philosophy. You will not be disappointed.
The standout ingredient here is nano hydroxyapatite, which is the same mineral that naturally makes up tooth enamel. That immediately caught my attention because instead of simply masking dental issues it actually supports remineralization. After learning more about nano hydroxyapatite and how it interacts with enamel I felt confident giving this toothpaste a real trial. The texture is smooth and creamy and it spreads easily across the teeth. Some fluoride free toothpastes can feel chalky or thin but this one feels refined and well formulated. It produces a gentle foam that feels pleasant while brushing but never overwhelming.
The flavor is another area where this toothpaste shines. It is refreshing without being harsh or overly minty. My mouth feels clean and balanced after brushing rather than blasted with artificial intensity. That subtle freshness actually lasts much longer than I expected.
After about two weeks of consistent use I started noticing that my teeth felt smoother throughout the day. That polished feeling you normally get right after a dental cleaning lasted longer than usual. My teeth also appeared brighter which was a welcome bonus.
Another thing I appreciate is the ingredient transparency. There are no questionable additives and it is completely fluoride free which is important for people who prefer alternatives that still support enamel health. Knowing that nano hydroxyapatite is widely used in advanced dental care products in other parts of the world made this even more compelling.
The packaging is clean and modern and the tube dispenses easily without making a mess on the cap. It feels like a premium product from start to finish. What really impressed me is how well this toothpaste balances effectiveness, comfort, and thoughtful formulation. It manages to feel gentle while still leaving my teeth incredibly clean and refreshed. If you are looking for a high quality fluoride free toothpaste that focuses on enamel support and a healthier approach to oral care then I highly recommend giving this one a try. It has absolutely earned a permanent place in my daily routine and it is one of the few natural toothpastes I genuinely look forward to using every day.
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Great toothpaste.
Size: Pack of 1, 4 Ounce, Set name: B. Whitening
This is by far really great toothpaste. I can tell the difference in the color of my teeth. And sometimes my teeth are kinda sensitive to harsh toothpaste. But this is good for sensitive teeth. And minty flavor is not to strong either. Try it. I hope it works for you as well as It does for me. 🤗
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Reviewed in the United States on May 13, 2026
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