0 ratings
Radio Design Labs Stp-1 Rdl Universal Audio Attenuator, Number Of Channels: 2, Applications: Convert 8 Ohm, 25 V Or 70 V Speaker Output To 600 Ohm Input
The HI-Z/LO-Z Passive Pad is a versatile device that allows you to adjust impedance and levels for balanced and unbalanced audio signals.
Radio Design Labs Stp-1 Rdl Universal Audio Attenuator, Number Of Channels: 2, Applications: Convert 8 Ohm, 25 V Or 70 V Speaker Output To 600 Ohm Input

Item #: 67828233

Radio Design Labs Stp-1 Rdl Universal Audio Attenuator, Number Of Channels: 2, Applications: Convert 8 Ohm, 25 V Or 70 V Speaker Output To 600 Ohm

Item #: 67828233
0 ratings Write a review
Out of stock
us Imported from USA store
Our Top Logistics Partners
  • fedex
  • dhl
The HI-Z/LO-Z Passive Pad is a versatile device that allows you to adjust impedance and levels for balanced and unbalanced audio signals.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified


paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Dual Channel Design
Enables simultaneous audio signal management for two channels, optimizing your sound system efficiency while ensuring consistent performance across various outputs.
Universal Compatibility
Easily converts 8 ohm, 25V, or 70V speaker outputs to a 600-ohm input, making it versatile for different sound applications and setups without compromising quality.
Enhanced Sound Quality
Improves audio clarity and fidelity by providing a reliable and stable connection, addressing common attenuation problems found in competing products for superior sound performance.

Product Details

Convert 8 Ohm, 25V or 70V speaker output to 600 Ohm input with the RDL STP-1 Universal Audio Attenuator. This passive modified H & T pads system has screwdriver trimming, input/output connection legend, and accepts 14 to 24 gauge wires without lugs required. Get your HI-Z Balanced Line, LO-Z Balanced Line, and HI-Z Unbalanced Line with a signal input of +33 dBu, +27 dBu, and +35 dBV, respectively. Buy now from Ubuy Malawi.
Voltage18 Volts, 70 Volts
ManufacturerRadio Design Labs
Brand2
Number of Channels2

Who Should Buy?

Suitable For
  • Sound Engineers

    Ideal for sound professionals needing to interface high-output speakers with low-impedance audio equipment efficiently.

  • Installation Technicians

    Beneficial for technicians involved in audio installations, ensuring compatibility between speaker systems and professional audio gear.

  • Broadcasting Stations

    Suited for radio and TV stations needing to convert speaker outputs for use with studio mixing consoles or recording devices.

Not Suitable For
  • General Consumers

    Not suitable for casual users looking for simple plug-and-play audio solutions without technical knowledge or requirements.

Product Description

Radio Design Labs Stp-1 Rdl Universal Audio Attenuator, Number Of Channels: 2, Applications: Convert 8 Ohm, 25 V Or 70 V Speaker Output To 600 Ohm Input

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the adjustment method for the HI-Z/LO-Z Passive Pad?

    Answer: The HI-Z/LO-Z Passive Pad features a screwdriver trimming adjustment with 15 turns for precise control.
  • Question: What wire gauges does the terminal block accept?

    Answer: The terminal block of the HI-Z/LO-Z Passive Pad accepts wire gauges of 14 to 24, eliminating the need for lugs.
  • Question: What are the maximum signal inputs and reference levels of the HI-Z/LO-Z Passive Pad?

    Answer: The maximum signal inputs vary depending on the type of line. HI-Z balanced line is at +33 dBu, LO-Z balanced line is at +27 dBu, and HI-Z unbalanced line is at +35 dBV. The reference levels are +10 dBu to -10 dBu for line level and -45 dBu to -65 dBu for mic level.
  • Question: What does this device do?

    Answer: The RADIO DESIGN LABS STP-1 RDL Universal Audio Attenuator allows you to convert 8 ohm, 25V or 70V speaker output to a 600 ohm input.
  • Question: How many channels does it have?

    Answer: It has two channels.
  • Question: What applications is it suitable for?

    Answer: It is suitable for converting speaker outputs to a 600 ohm input in various applications.

2 Home Audio Crossovers & Parts Editorial Review

No editorial reviews found

Customer Reviews & Ratings

5.0
1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Platform Trust & Buyer Confidence

trustpilot logo
4.3/5 9200 + reviews
Read reviews
MA
Mohammad
Verified buyer

“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer

“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
K
kund
Verified buyer

“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer

“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer

“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.