If you’ve got an A/V geek in your home, they’re going to love these gift ideas. These connected components can send music and video through every room in the house, and your A/V lover will delight in customizing to his or her heart’s content.

Polk Audio’s I-Sonic Digital You don’t have to choose between your favorite digital audio formats. The I-Sonic by Polk Audio delivers them all—with high quality sound that fills the room. Packed into the I-Sonic is a CD/DVD player, HD Radio, an XM Satellite Radio option, as well as iPod and MP3 inputs. MSRP: $549. www.polkaudio.com

Philips’ PMC7230 Portable Media Center
Philips’ PMC7230 Portable Media Center records and plays TV shows, digital music, movies and digital photos. The 30GB hard drive stores 15,000 audio tracks, five hours of video or 8,400 images. You can also purchase or rent content from any number of PlaysForSure services. MSRP: $349. consumer.philips.com

Denon AVR-5805MK2 A/V Receiver
Denon’s AVR-5805MK2 A/V receiver is a 1,700-watt powerhouse, delivering 170 watts to each of 10 channels. It packs THX Ultra2 processing, 1080p switching and a Faroudja video scaler. A supplied Ethernet port allows you to stream Windows PlaysForSure songs or Internet radio through your sound system. Multi-room capability provides for four different sources in four rooms. MSRP: $7,000. www.denon.com

TiVo Series3 HD Digital Media Recorder
For the Multi-Tasker: The first TiVo standalone recorder that’s HD-compatible is also the first to support over-the-air HDTV. Dual tuners in the TiVo Series3 HD Digital Media Recorder record different shows in HD simultaneously. The recorder stores up to 32 hours of HD programming and 300 hours in standard-def. The Series3 is also the first THX-certified digital video recorder, which ensures maximum recording quality. Two CableCARDs are required for dual-tuner functionality. MSRP: $799, plus $12.95 monthly or $299 for a 3-year subscription. www.tivo.com

Logitech Wireless DJ Music System
For the Download Demon: Now all those tunes trapped on the PC can play elsewhere in the house. Logitech’s Wireless DJ Music System connects to a PC and uses the company’s clever Music Anywhere 2.4-GHz wireless technology to send digital music up to 150 feet away. A transmitter connects to the PC and the receiver connects to a stereo input. The system works with iTunes, Windows Media Player and MusicMatch Jukebox. Up to four receivers can be used. MSRP: $249. www.logitech.com