Onkyo CR-315, 4-ohm, 70W speakers RM300 Onkyo CR-315 hifi and CD player (used and faulty), 4 ohm 70W speakersOnkyo CR 315 Compact Disc Receiver . 20 watts per channel at 4 Ω, 1 kHz . Wide Range Amplifier Technology (WRAT) . 3 audio inputs (1 on front panel) and 1 output . Subwoofer pre-out . Plays audio CDs and MP3s burned to CD-Rs and CD-RWs . Single bit DAC . 4 playback modes (Normal/Memory/Random/Repeat) . Navigation/All folders for selection and playback of MP3 files . MP3 settings for personal preference . Memory playback (25-track programmable) . 2 repeat settings (Track/Full) . Super Bass function . Timer (Play or Rec/Once or Every) . sleep timer . Battery clock . RDS (PS/RT) . Auto preset function with 40 FM/AM selections . Pre-selection name can be entered yourself (up to 8 characters) . Manual and automatic FM auto scan tuning . Battery-free memory backup . Aluminum front panel . Headphone jack connection . Compatible with RI Dock for iPod