Product Features

Product Features

Feature

Polk Audio XRT12

Delphi MyFi

Sirius S50

Sirius Sportster SOP4

Type of device

In-home audio component

Portable XM radio, can record programs to internal memory

Mobile Sirius receiver, with recorder and MP3 recorder. Features voice announcements for channel selections and other limited voice feedback.

Mobile receiver, in-home kit sold separately.

Direct input on unit

no

yes

no

yes

Remote control with direct entry

yes

yes

yes; voice announcements confirm channel choices

yes

Service

XM

XM

Sirius

Sirius

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