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ヌルモデムオス-メススリムラインデータ転送シリアルポートアダプター2個パック。

DB9ヌルモデムオス-メススリムラインデータ転送シリアルポートアダプター2個パック。

Product ID: 733543223

Details

コネクタタイプ
DB9。
商品寸法 (長さx幅x高さ)
33 x 13 x 2 mm
商品用途・使用方法
PC、ノートパソコン。
対応デバイス
Modem
色
2パック

⚡UL 94V-0 Flame-Retardant Insulation

🔌DB9 Male-Female Adapter

🛡️Full EMI Shielding

S$24

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Description

🔗 Connect smarter, not harder — the sleek null modem adapter for pros who demand reliability.

COMPLETE EMI PROTECTION - Shield your data from electromagnetic interference for stable, uninterrupted transfers.
REVERSIBLE REMOVABLE SCREWS - Flexible installation with reversible screws that adapt to your workspace needs.
CERTIFIED SAFETY RELIABILITY - Built with UL 94V-0 rated connectors ensuring flame resistance and peace of mind.
EFFORTLESS NULL MODEM CONVERSION - Transform standard straight cables into null modem wiring in seconds—no tech hassle.
SLIMLINE DESIGN FOR PORT LONGEVITY - Minimize port strain with a sleek, space-saving profile that keeps your setup clean and durable.

The DB9 Null Modem Male-Female Slimline Adapter pack converts standard straight cables into null modem wiring effortlessly. Featuring a slim design to reduce port stress, UL 94V-0 flame-retardant insulation, removable reversible screws, and full EMI shielding, this adapter ensures safe, reliable, and interference-free serial data transfer for professional PC and laptop setups.

Specifications

ASIN	B075XHWVSJ
Amazon 売れ筋ランキング	パソコン・周辺機器 - 435,511位 ( パソコン・周辺機器の売れ筋ランキングを見る ) シリアルアダプタ - 942位パソコン用ケーブル - 41,385位
UPC	613852966235
おすすめ度	4.7 5つ星のうち4.7 (967) var
カラー	2パック
コネクタータイプ	DB9。
スマートホーム互換性	スマートホーム非対応
パッケージ商品数	1
ブランド名	Arnorin
ポート数	2
メーカー名	KINGDEE INC
メーカー型番	KAD9D90001-S-2
ユニット数	2 個
主電源のプラグタイプ	プラグがありません
互換デバイス	Modem
付属品総数	2
入力電圧	94 ボルト
商品の用途	PC、ノートパソコン。
商品本体サイズ	33 x 13 x 2 mm
型番	KAD9D90001-S-2
外部機関認定情報	Não aplicável

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TrustScore 4.5 | 7,300+ reviews

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S$24

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered 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 SINGAPORE.

Secure transaction

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Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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Fantastic experience overall. Will recommend to friends and family.

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