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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🔗 Connect smarter, not harder — slim, safe, and ready to sync!

FLEXIBLE FIT - Removable and reversible screws for easy installation and versatile use.
SAFETY FIRST - UL 94V-0 rated insulator ensures top-tier flame resistance and durability.
SLIM SLEEK - Ultra-thin profile minimizes leverage strain, protecting your valuable device ports.
DOUBLE THE POWER - Two-pack convenience keeps you ready for any serial connection challenge.
SEAMLESS SERIAL SWITCH - Effortlessly converts straight cables to null modem wiring for flawless data transfer.

The ArnorinDB9 slimline null modem adapter pack by KINGDEE INC converts standard serial cables to null modem wiring with an open pin 9 configuration. Its ultra-thin design reduces port strain, while UL 94V-0 flame-retardant connectors ensure safety. The reversible screws add installation flexibility, making this 2-pack an essential upgrade for reliable, professional-grade serial data transfer.

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€ 24.88

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Slovakiastore

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Brand	KINGDEE INC
Product Dimensions	3.3 x 1.27 x 0.18 cm; 21 Grams
Item model number	KAD9D90001-S-2
Manufacturer	KINGDEE INC
Color	2 Pack
Are Batteries Included	No
Item Weight	21 g

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

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