As an alternative to the Porta Pro Wireless, I tried to locate a decent Bluetooth module that offered the same sort of benefits (price, size, battery life, and sound quality) that could be added to the original wired Porta Pro.
E.g. a first number of 6 denotes that it is completely dustproof, and a second number of 7 denotes that the device can withstand full immersion in water. can be folded. AKG K371-BT. Koss Porta Pro Wireless. Foldable devices are easier to transport and take up less storage space. has a tangle free cable.
Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Koss Porta Pro Wireless has a v4.1. Sony WH CH720N has a Bluetooth version of v5.2. Newer versions provide faster data transfers.
The KSC75's different housing shape helps too; The Koss KTXPRO1 has drivers that are shaped like the Porta Pro's, but titanium-coated like the KSC-75, and as a result, the sound is somewhere inbetween the two; Not as bright as KSC-75, but not as bass-focused as Porta Pro. 3. ThreeSilentFilms.
This item: Koss Porta Pro Wireless Bluetooth On-Ear Headphones | 12+ Hour Battery | Integrated Microphone & Remote ₹14,830.00 ₹ 14,830 . 00 Get it Dec 6 - 7
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koss porta pro bluetooth review