
ST-MX3 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $65.09 | Condition is Open box, RDL, ST-MX3, Line Level Mixing Amplifier, w/RDL A/C Adapter...............LSS-9, shipping cost = $7.00 | 99.5% |
![]() | $99.95 | Condition is Open box, RDL STICK-ON ST-MX3 Line Level Mixer, Ultra Compact, 3 Channels, NEW Open Box, shipping cost = $11.35 | 100.0% |
![]() | $145.49 | Top Pick! Condition is Open box, RDL ST-MX3 3 Channel Audio Mixer - Line Input and Output, FREE SHIPPING | 96.7% |
![]() | $150.00 | Condition is Open box, RDL ST-MX3 Stick-Ons Line Level Mixer / OPEN BOX / BRAND NEW, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $50.00 | Condition is New, RDL - Stereo Headphone Amp ST-SH1 / ST-MX3 Line Level Mixing Amp UNTESTED LOT, shipping cost = $8.00 | 99.4% |
![]() | $76.99 | Condition is New, RDL ST-MX3 3 Channel Audio Mixer - Line Input and Output New!, FREE SHIPPING | 98.4% |
![]() | $99.00 | Top Pick! Condition is New, Radio Design RDL ST-MX3 3-Channel Line Input/Output Audio Mixer, FREE SHIPPING | 100.0% |
![]() | $99.99 | Top Pick! Condition is New, RDL STICK-ON ST-MX3 Line Level Mixer, Ultra Compact, 3 Channels, shipping cost = $11.02 | 100.0% |
![]() | $115.95 | Condition is New, RDL STICK-ON ST-MX3 Line Level Mixer, Ultra Compact, 3 Channels, NEW In Box, shipping cost = $11.35 | 100.0% |
![]() | $135.00 | Condition is New, RDL ST-MX3 STICK-ON LINE LEVEL AUDIO MIXER, shipping cost = $10.00 | 100.0% |
![]() | $222.01 | Condition is New, RDL ST-MX3 Line-Level Mixer 3-Channel Balanced/Unbalanced, FREE SHIPPING | 99.8% |
![]() | $251.45 | Condition is New, RDL ST-MX3 3 Channel Audio Mixer - Line Input and Output, FREE SHIPPING | 99.2% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $24.08 | Condition is Used, RDL ST-MX3 Three Input One Output Line Level Mixing Amplifier, shipping cost = $13.15 | 100.0% |
![]() | $40.00 | Condition is Used, RDL ST-MX3 line level mixer 3 input mono, shipping cost = $11.50 | 100.0% |
![]() | $50.00 | Condition is Used, RDL Radio Design Labs ST-MX3 Stick-On Line Level Mixing Amplifier (58.75-279-8), shipping cost = $17.21 | 98.1% |
![]() | $60.00 | Condition is Used, RADIO DESIGN RDL ST-MX3 3-Channel Line Input/Output Audio Mixer, shipping cost = $7.97 | 100.0% |
![]() | $57.78 | Condition is Used, Used RADIO DESIGN RDL ST-MX3 3-Channel Line Input/Output Audio Mixer STICK-ON, shipping cost = $19.96 | 99.3% |
![]() | $79.00 | Condition is Used, RDL PS-24A Audio Distribution Amplifier A Pair With St Mx3 And St Vp2 Stick On, shipping cost = $12.20 | 100.0% |
![]() | $95.00 | Condition is Used, RADIO DESIGN RDL ST-MX3 3-Channel Line Input/Output Audio Mixer STICK-ON, shipping cost = $5.62 | 98.9% |
![]() | $120.00 | Condition is Used, RDL ST-MX3 Line Level Mixing Amplifier STICK-ON Radio Design Labs, shipping cost = $12.50 | 100.0% |
![]() | $187.50 | Condition is Used, RDL Stick-On Audio Relay Mixer System 1U Rack ST-MX3 STD-600 ST-LCR1 w/ PSU, shipping cost = $5.99 | 99.3% |
![]() | $175.00 | Condition is Used, 4 RDL ST-MX3 Stick On Line Level Mixing Amplifier Black Shelf Radio Design Labs, shipping cost = $90.85 | 99.7% |

The RDL ST-MX3 Line Level Mixer is a versatile and high-performance audio mixing solution designed for professional applications. This compact mixer offers three channels of line-level input, each equipped with individual volume controls. The mixer features a balanced XLR input for microphones or line-level sources, as well as two unbalanced RCA inputs for connecting CD players, media players, or other line-level sources.
The ST-MX3 is built with high-quality components to deliver exceptional sound quality. Its discrete Class-A circuit design ensures a warm and clear audio response, while its low-noise design minimizes unwanted distortion. The mixer also features a phantom power supply for condenser microphones, allowing you to use high-quality condenser microphones for superior vocal and instrument pickup.
The mixer's user-friendly design includes a master volume control and a three-band equalizer with adjustable bass, mid, and treble frequencies. This allows you to fine-tune the sound of each channel to your specific needs and preferences. The mixer also includes a headphone output with its own volume control, making it ideal for monitoring your audio during performances or recording sessions.
The RDL ST-MX3 Line Level Mixer is housed in a rugged and durable metal chassis, ensuring reliable performance even in demanding environments. Its compact size and lightweight design make it easy to transport and set up, making it an excellent choice for live sound reinforcement, recording studios, or any other professional audio application.
In summary, the RDL ST-MX3 Line Level Mixer is a versatile and high-performance audio mixing solution that offers three channels of line-level input, individual volume controls, a phantom power supply, a three-band equalizer, and a headphone output. Its high-quality components, user-friendly design, and rugged build make it an excellent choice for professional audio applications where exceptional sound quality and reliability are essential.
The RDL ST-MX3 is a line-level mixer with several notable features that might make it an attractive option for audio professionals or those setting up a professional-grade audio system. Here are some potential pros and cons to consider before making a decision:
Pros:1. Versatile Inputs: The RDL ST-MX3 mixer offers a wide range of input options, including XLR, TRS, and RCA, allowing you to connect various types of microphones, instruments, and other audio sources.
2. High-Quality Microphone Preamps: The mixer comes with high-quality microphone preamps, which can help improve the sound quality of microphones and make it suitable for use in professional broadcasting, recording studios, or live sound applications.
3. Multiple Outputs: The ST-MX3 provides multiple output options, including main outputs, subgroup outputs, and a headphone output, making it easy to route audio to different locations or devices.
4. Easy-to-Use Design: The mixer features a simple and intuitive layout, making it easy to navigate and use for both novice and experienced audio engineers.
5. Durable Construction: The ST-MX3 is built with high-quality components and a rugged metal chassis, ensuring it can withstand the rigors of frequent use in a professional setting.
Cons:1. Limited FX Processing: The mixer does not come with built-in effects processors, which may be a drawback for some users who require additional processing capabilities.
2. Limited EQ Options: The ST-MX3 offers only basic equalization capabilities, which may not be sufficient for more complex mixing scenarios.
3. Lack of Phantom Power: The mixer does not provide phantom power, which might be an issue for users who need to power condenser microphones.
4. Limited Channel Count: The mixer has a relatively low channel count compared to some other professional mixers, which could be a limitation for larger productions or installations.
5. Price: The RDL ST-MX3 is priced at the higher end of the market for line-level mixers, which may be a barrier for some potential buyers.
Conclusion:The RDL ST-MX3 is a versatile and high-quality line-level mixer suitable for professional audio applications, such as broadcasting, recording studios, or live sound. Its robust construction, easy-to-use design, and high-quality microphone preamps make it a reliable choice for audio professionals. However, its limited FX processing, basic EQ options, lack of phantom power, and relatively high price may be drawbacks for some users. Ultimately, the decision to purchase the RDL ST-MX3 should depend on the specific needs and budget of the user. If the mixer's strengths align with your requirements and you're willing to pay the premium price, it could be an excellent investment. However, if you need more advanced features, such as extensive FX processing or multiple channels, you may want to explore other options.
Recommendation:If the RDL ST-MX3 does not meet all of your requirements but still appeals to you due to its high-quality microphone preamps and durable construction, you might consider looking at other mixers in the same price range, such as the Allen & Heath ZED-14 or the Mackie PROFX8v3. These mixers offer additional features, such as more channels, built-in FX processors, and phantom power, which may be more suitable for some users. Alternatively, if you're open to exploring other brands and are looking for a more budget-friendly option, you might consider the Behringer X32 or the Yamaha MG Series mixers, which offer more channels and extensive features at a lower price point. Ultimately, it's essential to weigh the pros and cons of each option and choose the mixer that best fits your specific needs and budget.
Details:
Rdl ST-MX3 line level mixer / Rdl/st-mx3 - brand new: thumbnails. 60-day warranty. Item condition: brand new in factory sealed box as pictured. Printers toner.
Product,: 1 Rdl ST-MX3 line level mixer / Rdl/st-mx3 - brand new, includes: stick-on free shipping, does not include: anything else.
specifications vidioaudio:
- brand: Rdl
- mpn: St-mx3
- part type: Level Mixer
shipping vidioaudio:
- type: fixed
- transit: 3-7 days
- service: ups ground
- class: standard
- carrier: ups
returns vidioaudio:
- paid by: seller
- method: money back
- time: 60 days
- policy: returns accepted
payments vidioaudio:
- credit card: mastercard
- other
- wallet: google-pay
seller vidioaudio:
- # reviews: 61179
- city: plainfield, indiana
- rating: 99.0%
general vidioaudio:
- category: Electronics > Tv, Video Home Audio
offer vidioaudio:
- options: ship-to-home
- in stock #: 5
- started: february 18, 2025
- availability: in stock
- best offers: true
- sold #: 20
- prices: $24.08–$251.45
- item condition:
- Open box
- New
- Used





















