What i think i am seeing in the picture is two different converters. is one a straight through gender changer & the other a null modem configuration?

Both of them are standard null modem adapters

Will these pass sound so that I may plug in my Bose speakers?

not sure your application, this is an RS232 signal swap adapter. Here is pinout: pin-1 goes to pin-4, pin-2 to pin-3, pin-5 to pin-5, pin-7 to pin-8, and pins-6&9 are not connected.

Hi, are both of these the exact same? If not what is the difference?

I ordered a 2 pack for work and they are the same.

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DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

DB9 null modem male to female slimline data transfer serial port adapter 2 Pack

Product ID: 50258218

Details

Brand
Arnorin
Color
2 Pack
Compatible Devices
Modem
Connector Type
DB9
Item dimensions L x W x H
1.3 x 0.5 x

🔌DB9 slimline serial adapter

🔧Reversible screws for secure fit

🛡️Full EMI shielding

2260 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered 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 Iceland.

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Description

🔗 Connect with confidence—legacy gear, modern reliability!

DUAL SIDED SCREW LOCKING - Reversible screws secure both ends, ensuring rock-solid, vibration-proof connections.
SLIMLINE DESIGN FOR TIGHT SPACES - Compact form factor reduces port strain and fits seamlessly in crowded setups.
PLUG PLAY NULL MODEM CONVERSION - Instantly convert straight cables to null modem wiring—no hassle, no downtime.
EMI SHIELDING FOR SIGNAL INTEGRITY - Fully shielded connectors protect your data from electromagnetic interference.
RELIABLE LEGACY DEVICE COMPATIBILITY - Trusted by pros for stable serial communication with modems and legacy gear.

The DB9 null modem slimline adapter 2-pack by KINGDEE INC converts standard straight-wired serial cables into null modem configurations with a compact design that minimizes port strain. Featuring fully shielded connectors to prevent EMI, reversible screws for secure dual-sided fastening, and compliance with UL 94V-0 flammability standards, this adapter ensures stable, reliable serial communication for legacy devices and modems. Perfect for professionals needing dependable, space-saving serial connections.

Specifications

ASIN	B075XHWVSJ
Best Sellers Rank	#10 in Serial Adapters
Brand	Arnorin
Color	2 Pack
Compatible Devices	Modem
Connector Type	DB9
Customer Reviews	4.7 4.7 out of 5 stars (1,025)
External Testing Certification	Não aplicável
Input Voltage	94 volts
Item Dimensions	1.3 x 0.5 x 0.07 inches
Manufacturer	KINGDEE INC
Mfr Part Number	KAD9D90001-S-2
Model Number	KAD9D90001-S-2
Number of Items	2
Number of Ports	2
Package Quantity	1
Power Plug Type	No Plug
UPC	613852966235
Unit Count	2 Count

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2260 kr

Duties & taxes included

In stock

Sold byAmazon IcelandDelivered 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 Iceland.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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