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Home/Equipment/Wiring/B2 Audio/Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter
Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter
Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter
Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter
Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter
Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter
Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter
Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter
B2 Audio/Wiring

Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter

Wireless Control: Enjoy seamless wireless operation with 2.4 GHz technology, offering a range of up to 150 feet. Precision Monitoring: The 0.96" OLED display provides real-time voltage and attenuation data, ensuring accurate monitoring. Customizable Experience: Features adjustable knob sensitivity (Low, Normal, High) and auto sleep settings (OFF, 15s, 30s, 1m, 5m, 15m, 30m) for personalized control. High Compatibility: Supports up to 2 channels with a 5V maximum RCA input voltage, perfect for stereo bass setups. Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter This listing includes: (1) WBK Controller (1) WBK Base (1) 3.81 MM 3-pin connector The WBK (Mono) V2 wireless system controller we offer is perfect for bass enthusiasts. Meticulously designed to give you complete control and wireless monitoring capabilities, this innovative data acquisition and control combo will revolutionize your demo experience. Explore the cutting-edge design features of this unit. Specifications: Working Voltage: 9 - 18V Wireless Technology: 2.4 GHz (802.11 b/g/n) Wireless Range: Up to 150 feet RCA Input Voltage: 5V Maximum Number of Channels: 2 CH Frequency Response: 10 - 20KHz Battery Capacity: 1000 mAH Display: 0.96" OLED Monochrome Charging Port: USB-C Auto Sleep: OFF, 15s, 30s, 1m, 5m, 15m, 30m Knob Sensitivity: Low, Normal, High Voltmeter Calibration: ✓ BASE Signal Indication: LED Indicator Technical Operation: The Wireless Bass Knob WBK-S consists of two components: the WBK-S Base and the WBK Controller. The Base is designed to serve as the hub for all connections, including power connections (Positive, Ground, and Remote), as well as RCA input and output for adjusting the audio signal level coming from the head unit. RCA connections are a car audio standard used in universal wired bass knobs as well, allowing our wireless bass knob to be compatible with every car audio amplifier. The second part of the wireless bass knob is the WBK Controller, which is used to control the audio signal level through a dedicated volume control IC inside the base module wirelessly. For communication between the Controller and the Base, a 2.4GHz wireless protocol is used, providing a stable and fast connection at distances of up to 150 feet or more! Besides regulating the audio level, on the controller, you can also monitor the car voltage in real time and customize settings for a better user experience. During use, if the Controller disconnects from the Base, the audio signal will continue to play normally, and there will be no differences in sound level. Wiring: + Battery Positive - Battery Ground R - Remote (Head Unit) I - Connects to Head Unit RCA Output O - Connect to Amplifier RCA Input Base Dimensions: Height: 1.55" Width: 3.8" Depth: 1.9"
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B2 Audio USA

Updated 3/14/2026

$169.95Buy Now
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Frequently Asked Questions

What is the B2 Audio Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter?

The B2 Audio Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter is a car audio wiring kit made by B2 Audio. View full specifications and where to buy on this page.

How much does the B2 Audio Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter cost?

The B2 Audio Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter typically sells for $170 to $190 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the B2 Audio Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter?

You can purchase the B2 Audio Wireless Bass Knob with OLED Display, RCA Attenuation, and Voltage Meter from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.

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