Infinity Reference 757T Speakers Battery Terminals While the memory cards are

While the memory cards are removable and the card slots will accept other brands of memory cards

Optimized Magnetic Geometry: Cleaner

compatible with SiriusXM's aftermarket satellite radio tuner (sold separately

Boasting an impressive rated power of up to 4000 watts at 1

they will give you wider sound stage and more depth to your music

Infinity Reference 757T Speakers Battery Terminals While the memory cards areThe new Infinity Reference speakers deliver accurate sound thanks to edge driven textile tweeters for smooth highs, and patented Plus One woofers that deliver surprising bass output. Specifications Specification Details Power Handling 45W RMS, 135W peak Sensitivity (@2. 83V) 93 dB Frequency Response 2. 5kHz 21kHz Impedance 3. 0 ohms Manuals Owners Manual (Multilingual) Spec Sheet (English)