CDR-220 Head Unit
From Boxster Tech
The User Manual for the CR/CDR-220 can be found here: http://www.beckerautosound.com/pdf_guides/om43-4462.pdf
According to Becker, only the CR/CDR-220 has AUX input. The CDR-23 DOES NOT.
To order additional cables, call Becker parts department at (888) 423-3537 x1209. (Orders for additional cables are charged a $5 small order handling fee, to be added to the prices listed below.)
Additional cables for the Becker CR/CDR-220:
Telephone power cable: P/N 5001.524-276. This allows power/phone mute to the existing car wires without any cutting. The price is $5.00 (list).
OEM Becker Radio removal keys: P/N BNA-1184.989 ($1.76 set)
To add additional amplifiers use low-level audio adapter, P/N 1185.640-276 ($16.60)
Speaker/power plug: P/N 1163.736-276 ($14.00)
Replacement Radio Knobs: P/N 1285.815-250 ($11.60 a pair) the knobs on some older radios become gummy as they age and can be replaced with new knobs. The knobs simply pull off (requires pliers to get the old ones off)
Phone mute/Aux audio-in/Tel audio-in/Removal keys in one kit: P/N BNA-1319.116 ($19.36) - THIS IS THE CABLE KIT YOU WANT FOR IPODs, MP3 Players & OTHER SIMILAR DEVICES. It includes the wires, adapter plug, radio removal keys and instructions. It terminates with two RCA phono plugs, requiring you to purchase an RCA to miniplug cable from a place like Radio Shack.
CDR-23 Phone input cable: P/N BNA-116.276 ($17.00)


