Behringer 921 Voltage Controlled Oscillator Module

Behringer 921 Voltage Controlled Oscillator Module

Marsoni

M251S

$109.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Behringer 921 Voltage Controlled Oscillator ModuleThe 921 VOLTAGE CONTROLLED OSCILLATOR module features six selectable waveforms (sine, triangle, saw, inverted saw, square and inverted square). These can be adjusted via the Frequency and Range controls to change the tonality of your signal. Finer frequency control is provided via the Scale and Coarse RNG switches. Patch in some control voltages via the two CTRL IN jacks and adjust with the Rectangular Width knob to create some fat Pulse Width

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Can't really say whether it's that good or not elecronics wise since I didn't test it but it works like it's supposed to. Meanwhile, the housing oh man. It's premium. It feels like hard aluminum or something, very nice. Edges are rounded too with just the right sharpness like a macbook. Others would've been plastic. This is really nice for the price and if the specs really are 10Gbps, that's really good because most in this price range is 5Gbps.

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Reviewed in the United States on March 2, 2026

Verified Purchase

Amazon Customer

Lexington, US

★★★★★ 1

Failed to support desktop PCs with USB 3.2 Gen 2 ports

Does not work with my HP mini PC with USB 3.2 gen 2 ports - when connecting USB portable SSDs to the hub. You won't believe it, but many USB 3.2 Gen 2 hubs only support laptops not desktop PCs (except hubs that have dedicated power supply for higher power USB devices e.g. SSD/HDDs) when connecting USB portable SSDs to the hub. We need a major fix from many of the USB hub vendors so these products can work with desktop PCs that have USB 3.2 Gen 2 ports. Workaround: Just directly connect the USB portable SSD to the PC instead. If you need more USB ports, pick up a good old USB 3.0 hub. They're working correctly with portable USB SSDs when working with desktop PCs. (You'd need a powered USB hub if you're connecting 2 or more portable SSDs - do your own calculation: 5V - 1A per SSD/HDD).

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Reviewed in the United States on November 2, 2025

Verified Purchase

Anonymous

Lowell, US

★★★★★ 5

Works out of the box!

Set name: Space Gray

Day 1, the item works out of the box with various accessories such as a scanner and to connect older devices like a mouse and keyboard. For the price, this item is fantastic and has 2 usb ports, 2 usb-c (lightning) ports, an HDMI port, a micro sd card port, and an SD card port. Amazing product. If it breaks anytime soon, will update the review.

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Reviewed in the United States on June 9, 2026