Does this work with a 20 year old sony cdp-cx240 200 cd changer?

If it's IR then it will work. I have my transmitter target begin some cloth and it still works, so I think it works great.

Do i need one of these for each ir remote, that is roku, fire tv, tv, apple tv, etc?

You'll need one IR receiver for each location where you want to receive infrared signals, and one emitter for each location where you want to emit infrared signals.

How far away can I be with remote control and still have it pick up the signal efficiently?

The IR Receiver Distance is 7m (30ft)

Mom has cheap fireplace ir remote only works within 5 ft (she is chair-bound 12 ft away). will this ir repeater compensate (repeat signal closer )?

It's hard to believe only 5ft, have you put in brand new batteries & cleaned the little window on the end of the remote and all the glass on the front of the fireplace? If you have. This is a great IR repeater. It has IR outputs that have double sided tape to mount in the perfect (sweet) spot Mine is 20ft and 2 walls away

Blastir Wireless Pro | Desertcart Mongolia

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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516137 ₮

Duties & taxes included

In stock

Sold byAmazon MongoliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Mongolia.

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Description

📡 Take command from anywhere—because your devices deserve VIP treatment.

FUTURE PROOF COMPATIBILITY - Works with classic BlastIR Wireless and supports up to 10 devices—just check IR signal type before ordering.
ULTRA TARGETED IR EMISSION - Emitters stick directly over device IR receivers for flawless command execution every time.
SEAMLESS 200 M WIRELESS REACH - Control your IR devices from across your entire home or office without signal dropouts.
PRECISION MULTIZONE IR MANAGEMENT - Avoid device interference with 10 customizable channels for exclusive device control zones.
PLUG PLAY WITH PRO LEVEL ACCESSORIES - Includes IR emitter/receiver cables, USB & AC power, mounting adhesive, and rubber feet for effortless setup.

The Sewell SW-32988 Direct BlastIR Wireless Pro IR Repeater is a professional-grade IR remote extender kit designed for millennial managers who demand flawless control over multiple IR devices. With a robust 200-meter wireless range, 10-channel multizone system to prevent interference, and included premium accessories for easy installation, it ensures precise, customizable remote control across your home or office. Compatible with most IR devices (excluding select models), it empowers you to streamline your tech setup with confidence and style.

Specifications

ASIN	B074CNWJZV
Additional Features	Extended IR signal, multi-zone control, customizable setup, and user-friendly troubleshooting
Battery Type	Lithium
Best Sellers Rank	#12,501 in Electronics ( See Top 100 in Electronics ) #9 in Remote Control Extenders
Brand	Sewell
Built-In Media	Receiver, Emitter, Receiver cable, Emitter Cable, Power Supplies
Button Quantity	12
Color	Black
Compatible Devices	All devices except Yamaha HTR 6140, Arris DCX 3520E-M, OSD ATM-7 Speaker Selector
Connectivity Technology	Infrared, Radio Frequency
Controller Type	Button Control
Customer Reviews	4.1 4.1 out of 5 stars (1,480)
External Testing Certification	Não aplicável
Global Trade Identification Number	00685289329884
Item Weight	8 ounces
Manufacturer	Sewell
Maximum Number of Supported Devices	10
Maximum Range	200 meters
Mfr Part Number	SW-32988
Model Name	SW-32988
Model Number	SW-32988
Number of Items	1
UPC	685289329884
Unit Count	1 Count
Warranty Description	1 year manufacturer

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516137 ₮

Duties & taxes included

In stock

Sold byAmazon MongoliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Mongolia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.