I want to connect this to my monitor, it is samsung ultrawide monitor model:c49hg90. how can i make this work?

First off, nice monitor! You cannot directly connect these speakers to that monitor. You need an amplifier, and monitors do not come with amps. This monitor does come with a headphone output jack. If your amplifier/receiver has a 1/8 input jack, then you can run a 1/8 cable from the monitor to the amp/receiver, and then wire up the speakers to the amp/receiver. Like others have noted you will need a fairly powerful amp to truly get the most out of these speakers./

In a small to medium size room, is the sprout 100 powerful enough to drive them loud?

Small room yes. Medium to large room, not really. I have the Sprout 100 and these sound good through them but you really have to crank the volume up to get them to enjoyable levels. I have the Elac UniFi UB5's which aren't the most sensitive speakers but I think it's just the size difference between the 2 that makes the Sprout 100 able to create a larger, more room filling sound with the Elacs than with the Miccas. The Micca's are a neat little speaker. They can take a lot of power and almost need a lot of power to be pushed through them to really open up. When they do open up they sound great. But at distance, at lower volumes, they can actually sound kind of thin. In my living room, as a soundbar replacement it was good, but that room is 14x24. The Sprout 100 was able to push them but it didn't seem ideal. Now, I have them in a small bedroom, 10'x12', using them near field on my desk and they sound amazing being pushed by a Topping PA3. The PA3 incidentally has just barely enough juice to push these near field at enjoyable but not extremely loud volumes. The RB42's are amazing little speakers, particularly at the price point but they need a LOT of amp to sound their best.

ASIN	B07JC416LG
Additional Features	Bluetooth
Age Range Description	Adult
Antenna Location	For Computers, For Smartphones or Tablets, For Music Players
Audio Driver Size	10 Centimeters
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo
Battery Average Life	8 Hours
Bluetooth Range	30 Feet
Brand	Micca
Built-In Media	1 pair of speakers
Color	Dark Walnut
Compatible Devices	Desktop, Laptop, Smartphone, Tablet, Television
Compatible with Vehicle Type	Car
Connectivity Protocol	Bluetooth
Connectivity Technology	Bluetooth, USB
Control Method	Touch
Controller Type	Corded Electric
Customer Package Type	Standard Packaging
Enclosure Material	Aluminum, Wood
Frequency Response	20 KHz
Impedance	8 Ohms
Is Waterproof	False
Item Dimensions D x W x H	20.1D x 12.4W x 22.1H centimeters
Item Weight	6000 Grams
Item height	220 inches
MP3 player	Yes
Manufacturer	Micca
Model Name	B07JC416LG
Model Number	RB42
Mounting Type	Shelf Mount
Number of Audio Channels	2.0
Number of Items	1
Power Source	Corded Electric
Speaker Maximum Output Power	100 Watts
Speaker Size	4 Inches
Speaker Type	Bookshelf
Specific Uses For Product	Music listening
Subwoofer Diameter	4 Inches
Tweeter Diameter	0.75 Inches
UPC	843528100070
Unit Count	3.2 Ounce
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology	Bluetooth
Woofer Diameter	4 Inches

Micca RB42 Reference Bookshelf Speaker with 4-Inch Woofer and Silk Tweeter (Dark Walnut, Pair)

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