
STP-1 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $19.99 | Condition is Used, RDL RADIO DESIGN LABS STP-1 STICK ON UNIVERSAL ATTENUATOR, SEE PHOTO, FREE SHIPPING | 99.2% |
![]() | $28.99 | Condition is Used, RDL RADIO DESIGN LABS STP-1 STICK ON UNIVERSAL ATTENUATOR, FREE SHIPPING | 99.2% |
![]() | $29.98 | Condition is Used, RDL STP-1 Dual Variable Attenuator STICK-ON Radio Design Labs, FREE SHIPPING | ![]() |
![]() | $30.00 | Condition is Used, RDL STP-1 Universal Audio Attenuator, FREE SHIPPING | 100.0% |
![]() | $39.99 | Condition is Used, RDL STP-1 Stick-On 2-Channel Universal Variable Audio Attenuator, FREE SHIPPING | 100.0% |
![]() | $40.00 | Condition is Used, RDL STP-1 Universal Audio Attenuator, shipping cost = $9.00 | 100.0% |
![]() | $49.99 | Condition is Used, RDL STP-1 Stick-On 2-Channel Universal Variable Audio Attenuator, FREE SHIPPING | 100.0% |
![]() | $70.00 | Condition is Used, Radio Design Labs - RDL STP-1 Universal Audio Attenuator - 2 Channel, shipping cost = $13.59 | 98.9% |
![]() | $70.06 | Top Pick! Condition is Used, RDL STP-1 Dual Variable Attenuator STICK-ON Radio Design Labs, shipping cost = $16.45 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $60.00 | Condition is New, RDL Stick-On STP-1 Dual Variable Attenuator New open box, FREE SHIPPING | 100.0% |
![]() | $88.81 | Condition is New, RDL STP1 2-Channel Universal Audio Attenuators, FREE SHIPPING | 99.9% |
![]() | $99.99 | Condition is New, RDL RADIO DESIGN LABS STP-1 STICK-ON DUAL VARIABLE ATTENUATOR, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $75.00 | Condition is Open box, RDL STP-1 Stick-On 2-Channel Universal Variable Audio Attenuator, FREE SHIPPING | 100.0% |
![]() | $80.00 | Condition is Open box, RDL STP-1 2 Channel Universal Audio Attenuator, shipping cost = $8.50 | 100.0% |
![]() | $100.00 | Condition is Open box, RDL RADIO DESIGN LABS STP-1 STICK-ON DUAL VARIABLE ATTENUATOR, FREE SHIPPING | ![]() |



The RDL STP-1 Stick-On 2-Channel Audio Attenuator D20 is a versatile and convenient solution for controlling the volume levels of two separate audio sources. This device, designed by RDL, a trusted name in professional audio equipment, is a stick-on attenuator that can be easily installed on any surface without the need for drilling or any permanent modifications.
The STP-1 features two independent channels, each with a 20 dB attenuation range. This means you can adjust the volume of each channel by up to 20 decibels, providing a significant level of control over your audio output. The attenuation is achieved through a high-quality, noise-free design, ensuring that your audio remains clear and undistorted, even at lower volume levels.
The STP-1 is designed for easy use and installation. It features dual level indicators, one for each channel, to provide instant visual feedback on the volume settings. The stick-on design allows for quick and easy installation on any flat surface, including walls, racks, or even the back of equipment. Once installed, the STP-1 provides a secure and stable connection to your audio sources, with a robust construction that can withstand the rigors of professional use.
In terms of compatibility, the RDL STP-1 Stick-On 2-Channel Audio Attenuator D20 is designed to work with a wide range of audio sources, including mixers, amplifiers, and other audio equipment. The device has gold-plated terminals for reliable signal connections and can handle a wide frequency range, ensuring compatibility with both analog and digital audio signals.
In conclusion, the RDL STP-1 Stick-On 2-Channel Audio Attenuator D20 is a powerful and flexible volume control solution for professional audio applications. Its stick-on design, independent channel control, and high-quality construction make it a convenient and reliable choice for anyone looking to manage their audio levels with precision and ease.
Pros of buying RDL STP-1 Stick-On 2-Channel Audio Attenuator D20:1. Space-saving design: The RDL STP-1 is a stick-on attenuator, which means it can be easily attached to the back of a two-channel amplifier or receiver, saving valuable rack space.
2. Easy installation: The stick-on design also makes installation a breeze, as no additional mounting hardware is required.
3. Adjustable attenuation: The RDL STP-1 provides adjustable attenuation, allowing you to fine-tune the output level of each channel to match the sensitivity of your speakers.
4. High-quality construction: RDL is a well-known brand in the professional audio industry, and the STP-1 is built to last with a rugged, all-metal enclosure.
Cons of buying RDL STP-1 Stick-On 2-Channel Audio Attenuator D20:1. Limited channel count: The RDL STP-1 is only a two-channel attenuator, which may not be sufficient for systems with more than two audio sources.
2. Limited attenuation range: While the RDL STP-1 provides adjustable attenuation, the range is limited to 0 dB (full volume) to -20 dB (minimum volume).
3. Limited compatibility: The RDL STP-1 is designed to work with amplifiers and receivers that have a minimum impedance of 8 ohms and a maximum input level of 2 volts.
Conclusion:The RDL STP-1 Stick-On 2-Channel Audio Attenuator D20 is a great option for anyone looking to save space and fine-tune the output level of their two-channel audio system. Its easy installation, adjustable attenuation, and high-quality construction make it a reliable and practical choice. However, its limited channel count and attenuation range may not be sufficient for more complex audio systems.
Recommendation:If you have a two-channel audio system and are looking for a space-saving solution for fine-tuning the output level, the RDL STP-1 Stick-On 2-Channel Audio Attenuator D20 is a great choice. If you have a more complex audio system or require more attenuation, you may want to consider a multi-channel attenuator or a different type of volume control solution.
Details:
Used in good working condition. Fully functional.
specifications audioproequip:
- brand: Rdl
- mpn: Stp-1
- compatible brand: Universal
- type: Universal Attenuator
- custom bundle: No
offer audioproequip:
- started: may 5, 2024
- sold #: 29
- prices: $19.99–$100.00
- item condition:
- Used
- New
- Open box
- options: ship-to-home
- availability: in stock
- in stock #: 5
seller audioproequip:
- rating: 99.1%
- # reviews: 943
- city: riverbank, california
shipping audioproequip:
- service: standard
- transit: 30-44 days
- class: standard
- type: fixed
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
payments audioproequip:
- credit card: mastercard
- wallet: paypal
returns audioproequip:
- policy: no returns















