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Electronics For Sale By Owner in Castle Rock, CO

  1. see also
  2. Nest Power Connector [NEW]
    $10
    PARKER
  3. usb c magnetic adapters with extra pins
    $20
    Parker
  4. FALCON ZERO F360+ DUAL HD MIRROR CAM VIDEO RECORDER [1]
    $40
    Parker
  5. Furnace Fan Control Circuit Board ST9120C4057
    $50
    PARKER
  6. SmartDisk FireLite, 60GB 2.5" Portable Hard Drive W/USB 2.0 Interface
    $60
    Castle Rock
  7. Musci Hall USB-1
    $150
    Castle Rock
  8. DJI Mini 2 Fly More Combo
    $450
    Castle Rock
  9. 3 V CR2032 Lithium Batteries
    $5
  10. LiCB 3 V CR2032 Batteries
    $4
  11. Defintive Tech ProMonitor 1000 Pair
    $400
    Castle Rock
  12. Defintive Tech. ProCenter 2000
    $200
    Castle Rock
  13. GARMIN NUVI 65LM GPS FOR SALE.
    $120
    Parker, Co
  14. Stereo cabinet
    $20
    South Parker Road
  15. Sony 200 disk cd player cdp-cx200
    $135
    South Parker Road
  16. BSR SA-150 Plastic Plinth/Base also Fits Other BSR Turntables
    $30
    South Parker Road
  17. Magnavox DTV Digital To Analog Converter TB100MG9 w/ Remote
    $20
    South Parker Road
  18. Sherwood RV-4050R AV Receiver
    $75
    South Parker Road
  19. Yamaha Natural Sound A/V RX-V1000 Hi-Fi Receiver (Works)
    $75
    South Parker Road
  20. BSR MCDonald SA-150 Turntable DUSTCOVER 13 3/4 X 16 1/4”
    $45
    South Parker Road
  21. Meta Quest 2 - 256GB
    $205
    Castle Rock or DTC
  22. Wavlink USB 2.0 to DVI Display Adapter
    $30
    Castle Pines
  23. Serial Port Converter - JR Kerr
    $40
    Castle Pines
  24. Bluetooth Low Energy CC2540 Mini Development Kit
    $50
    Castle Pines
  25. REALY NEW CONDITION MARANTZ SETUP
    $1,400
    Castle Rock
  26. Opus Telefuken 55 Tube radio
    $375
    Aurora East
  27. SGL Waber UL25pcb-6 Power Master Outlet Strip HD Metal Housing - U.S.A
    $50
    Castle Rock
  28. Zyxcel C3000Z Modem
    $10
    Castle Pines
  29. ACOUSTIC RESEARCH PR1212 SUBWOOFER 250 WATTS 12 INCH
    $195
    Castle Rock
  30. SONY DA4600ES 7.1 RECEIVER 130 WPC W/ OEM REMOTES PHONO CUSTOM INSTALL FEATURES
    $225
    Castle Rock
  31. KLIPSCH RF-62 ii REFERENCE SPEAKERS
    $495
    Castle Rock
  32. Travis in Acres Green subdivision Denon CD player Speakers
    $50
    Lone Tree
  33. PIONEER ELITE VSX-21 AVR 5.1 RECEIVER 100 WPC A/B SPEAKERS OEM REMOTE
    $125
    Castle Rock
  34. Axiom M80 V4 Speakers 400 Watts
    $975
    Castle Rock
  35. KLIPSCH POWERFUL REFERENCE RS3 SURROUND AND RC3 CENTER SPEAKERS
    $350
    Castle Rock
  36. INTEGRA 75 WPC POWER AMPLIFIER ADM-20.4 LIKE NEW BIG CAPACITORS
    $295
    Castle Rock
  37. DEFINITIVE TECHNOLOGY HOME THEATER SPEAKERS BP7004 TOWERS CLR 2002 CENTER
    $850
    Castle Rock
  38. BOWERS & WILKINS B&W HOME THEATER SPEAKERS CM10 S2 & CM CENTRE S2
    $2,200
    Castle Rock
  39. ENERGY TAKE CLASSIC 5.1 HOME THEATER SPEAKERS BETTER THAN SOUND BAR
    $175
    Castle Rock
  40. DENON AVR-X3400H 4K 7.2 RECEIVER 105WPC ATMOS REMOTE WIFI BT SETUP MIC
    $550
    Castle Rock
  41. SAMSUNG BD-C6500 BLU RAY PLAYER REMOTE HDMI WIFI PLAYS CDs
    $50
    Castle Rock
  42. Yamaha NS-SW050 Subwoofer Speakers 100 watts LIKE NEW!
    $100
    Castle Rock
  43. Vizio TV
    $50
    Castle Rock
  44. Electrical cords
    $8
    Castle Pines
  45. TPI 9070 Smart Vibration Analyzer, 0.2Hz to 1kHz (ISO)
    $300
    Castle Rock
  46. Tripp-Lite Instant Read AC Power Protection Circuit Tester CT120
    $10
    Castle Rock
  47. 3 Signature Speakers, Never used
    $450
    Castle Rock
  48. Construction Master Pro DT Printer (NEW)
    $50
    Castle Rock
  49. Texas Instruments TI-30 STAT Calculator
    $5
    Castle Rock
  50. Spare Tire & Accessory Kit for BMW X2 & X3
    $200
  51. Definitive Technology ProMonitor 800
    $260
    Castle Rock
  52. Definitive Tech. ProCenter 1000
    $130
    Castle Rock
  53. Definitive Tech. StudioMonitor 350 Pair
    $350
    Castle Rock
  54. Onluo SKM-100
    $75
    Castle Rock
  55. Vantrue Dash Cam
    $150
  56. REALY NEW CONDITION MARANTZ SETUP
    $1,400
    Castle Rock
  57. LIKE BRAND NEW MAINTAINED 2 MONTHS AGO TEAC-X-700R
    $850
    Castle Rock
  58. Samsung Galaxy Watch 5
    $50
    Parker
  59. Pro'sKit Crimping Tool D11/RJ45 Networks+IdealPunch Down Body Tool
    $70
    Castle Rock
  60. Digital Thermostat
    $30
    Parker
  61. Near New Samung Model QN43Q60DAFZA QLED Television
    $275
    Castle Rock
  62. OEM 20V 4A AC/DC Power Adapter ADS-90PLA-19-2 20080E for JBL Boombox
    $100
    Castle Rock
  63. Vintage Texas Instruments TI-1706 III Solar Calculator With Cover
    $10
    Castle Rock
  64. POLK AUDIO PSWI-8M WIRELESS & WIRE CAPABLE SUBWOOFER
    $50
    Castle Rock
  65. KLIPSCH 3 CHANNEL REFERENCE HOME THEATER SPEAKERS
    $300
    Castle Rock
  66. KLIPSCH 7 CHANNEL HOME THEATER REFERENCE SPEAKERS
    $895
    Castle Rock
  67. j1772 Charging cables
    $75
    Pinery Parker
  68. Teac X2000R Reel to Reel Tape Recorder, Maintained 2 months ago.
    $2,350
    Castle Rock
  69. LIKE BRAND NEW MAINTAINED 2 MONTHS AGO TEAC-X-700R
    $850
    Castle Rock
  70. REALY NEW CONDITION MARANTZ SETUP
    $1,400
    CastLE ROCK
  71. Motor Control Board - JR Kerr - quantity 2
    $240
    Castle Pines
  72. AT&T Automatic Fax Switch
    $15
    Castle Pines
  73. Lynx Automation - Ring Director Device
    $10
    Castle Pines
  74. Celestron Evolution 6 telescope
    $1,200
  75. Marantz 2275 Stereo Receiver
    $1,500
    Castle Rock
  76. 42" LG TV, Yahama Sound Bar, Sub Woofer and Stand
    $100
    Castle Rock
  77. Radio Shack Filament Transformer, quantity 4
    $80
    Castle Pines
  78. Data Transfer Switch, A/B
    $12
    Castle Pines
  79. CANS wireless speaker
    $15
    Castle Rock
  80. Speaker LSTN Gramercy
    $35
    Castle Rock
  81. Clock
    $10
    Parker
  82. CenturyLink Wifi Router C4000XG
    $30
    Parker
  83. Kings satellite dish for camper
    $20
    Parker
  84. Samsung DVD Blue Ray 3D Player and DVD Collection
    $70
  85. RF Modulator (Channel 3-4)
    $7
    Castle Pines
  86. Transformer
    $50
    Castle Pines
  87. Sony Sub Woofer 8"
    $10
  88. Kenwood cassette player/recorder Reduced
    $10
    Castle Rock
  89. Skil 72069 base with 3 hour quick charger 72068
    $20
    castle pines
  90. Infinity Reference Home Theater Speaker Set
    $700
    Parker
  91. Sharp gf-5454 vintage ghetto blaster boombox boom box
    $150
    Parker
  92. HTC Vive Cosmos Elite VR System -Wireless Adapter
    $690
    castle rock dtc englewood denver highlands ranch
  93. Computer Sound Bar
    $20
    Castle Rock
  94. Spectra-phone
    $5
    Castle Pines
  95. Airpax Stepping Motor, Model 4SHG-060A 46S
    $10
    Castle Pines
  96. Airpax Stepping Motor, Model 4SHG-060A 46W
    $10
    Castle Pines
  97. American Precision Rapidsyn Division Stepper Motor, Model 23D-6003FA
    $40
    Castle Pines
  98. Anaheim Automation Stepping Motor, Model23T104S-LW6
    $15
    Castle Pines
  99. X10 PRO Security Camera
    $30
    Castle Pines
  100. FREE! 2-piece custom-crafted shelf and audio component cabinet
    $0
    Castle Rock
  101. Synergistic S53 Tower speakers - VINTAGE - Make Offer!
    $1
    Castle Rock
  102. Velodyne 12" Subwoofer in Excellent Condition SF12BVX10
    $250
    Castle Rock
  103. Samsung MS-1430 Laser printer A
    $25
    Parker Colorado
  104. Garage/ Audio Speakers
    $50
    Parker
  105. Nintendo Switch Joycon Charger
    $5
    Castle Rock
  106. Microsoft Wireless Keyboard and Mouse
    $15
    Castle Rock
  107. Glowing Fan Clock
    $8
    Castle Rock
  108. UnoDrive Stepper Motor Driver
    $30
    Castle Pines
  109. Twelve South Air Fly duo A
    $20
    Parker
  110. Backbone One for iPhone
    $50
    Castle Rock
  111. Radio Shack white 900 MHz cordless phone
    $8
    Castle Pines
  112. AudioPipe Passive Crossover
    $20
    Castle Rock
  113. CT Sound 7 Band Car Equalizer
    $40
    Castle Rock
  114. SUB-WOOFER HOME STEREO
    $0
    so of parker co
  115. Pacific Scientific PowerMax II 1.8 Step Motor, quantity 7
    $45
    Castle Pines
  116. Airpax Stepping Motor, quantity 2
    $20
    Castle Pines
  117. Stepper Motor, Lin Engineering, 5718L-01PD 2.8A
    $30
    Castle Pines
  118. Brand new Audiosource IW One in-wall or in-ceiling speakers
    $30
    Castle Rock
  119. Netgear Nighthawk CM1200 Modem
    $50
    Castle Pines
  120. Contax RX camera with Carl Zeiss Planar 50mm f1.4
    $500
  121. Paradigm 5.1 Surround Sound System – Cinema Series + Monitor SE + Sub
    $250
    Castle Pines
  122. Labtec LCS-1050 Computer Speakers
    $10
    Parker
  123. Sony Bravia 65inch TV
    $200
    Castle Pines
  124. Cover for box for electronic hobbyist
    $3
    Castle Pines
  125. Incomplete Motion Control Box with Cover for electronic hobbyist
    $10
    Castle Pines
  126. Hipro Power Supply, quantity 2
    $60
    Castle Pines
  127. CenturyLink C4000LG Modem/Router
    $50
    Castle Pines
  128. Dish DVR 510
    $40
    Castle Pines
  129. Ridgid 1.5 HP table saw motor 826187; T55BXCEN-1265
    $100
    Castle Pines
  130. Acoustic Research Headphones
    $22
    CASTLE ROCK
  131. DeWalt walkie talkie DXFRS800
    $90
    Sedalia
  132. Ethernet Broadband Router, DI-704P
    $30
    Castle Pines
  133. Kiron 70-210mm f/4.5 Macro 1:4 055 MC camera lens with case
    $15
    Castle Pines
  134. Dual opening hard black tubular lens case with zipper, snap, and strap
    $5
    Castle Pines
  135. Radio mounting hardware
    $10
    Castle Pines
  136. GrandTec USA PC to Video EZ Converter
    $15
    Castle Pines
  137. Macom Xpress InfoCipher Receiver
    $15
    Castle Pines
  138. Elecraft KX3/PX3 Ham Radio
    $3,000
    Parker
  139. (2) 6 volt nickel batteries
    $50
    Parker
  140. Ryoko portable wireless router, 4G, sealed packaging
    $18
    Castle Pines
  141. Stepper Motor: North American Philips Controls Corp Part No A82962-M2
    $10
    Castle Pines
  142. Cambridge SoundWorks Power Supply, 12 volt
    $10
    Castle Pines
  143. Macom Power Supply, 5 pin connector
    $10
    Castle Pines
  144. Stepper Motor: Airpax Part No A82831
    $10
    Castle Pines
  145. Stepper Motor: North American Philips Controls Corp Part No B82987
    $10
    Castle Pines
  146. 25' Digicon white TV cable
    $5
    Castle Pines
  147. 20' Amphenol white TV cable
    $3
    Castle Pines
  148. 12 volt cigarette lighter splitter, quantity 2
    $4
    Castle Pines
  149. Radio Shack Video A-B Switch
    $5
    Castle Pines
  150. SEAS x Earthquake Sound 10 inch Custom Home Theater Subwoofer
    $450
    Castle rock
  151. LG 70 inch flat screen excellent condition
    $1,200
  152. Wireless Apple CarPlay Adapter
    $10
  153. Power supply - AC/DC adaptor, 12 volt
    $10
    Castle Pines
  154. Dell Power supply, AC/DC adaptor, 19.5 volt
    $10
    Castle Pines
  155. Challenger Cable power supply
    $10
    Castle Pines
  156. Lenovo Power supply, AC/DC adaptor, 20 volt
    $10
    Castle Pines
  157. Dell Power supply, AC/DC adaptor, 19.5 volt
    $10
    Castle Pines
  158. Dell Power supply, AC/DC adaptor, 19.5 volt
    $10
    Castle Pines
  159. IBM Power supply, AC/DC adaptor, 16 volt
    $10
    Castle Pines
  160. Hewlett Packard Power Supply
    $10
    Castle Pines
  161. Toshiba Power supply - AC/DC adaptor, 15 volt
    $10
    Castle Pines
  162. Power Supply - Philmore, 117 VAC, 60Hz, 1.2W
    $10
    Castle Pines
  163. Pittsburgh 6" Digital Caliper, in nice padded case
    $15
    Castle Pines
  164. Damaged A1 Mini
    $120
    Castle Rock
  165. Kid Movie Player
    $200
    Castle Rock
  166. Sonic Alert-Telephone Ring Signaler
    $5
    Castle Pines
  167. Bose SoundTouch 10 Wireless Music System B
    $105
    Parker Colorado
  168. Lithium Batteries
    $2,200
    Castle Rock
  169. DENON AVR-3808CI 130 WPC 7.1 RECEIVER OEM REMOTE SET UP MIC HDMI PRE-AMP OUTS
    $275
    Castle Rock
  170. SVP DM540 Digital Mobile Magnifier Microscope
    $50
    Castle Pines
  171. Qwest Actiontec DSL Modem Model GT701-WG
    $10
    Castle Pines
  172. Qwest Actiontec DSL Modem Model GT701
    $8
    Castle Pines
  173. Suttle Line Conditioner 630LCCU
    $5
    Castle Pines
  174. Red walking and a vacuum cleaner
    $20
    Castle Rock
  175. Unisonic corded phone, cream
    $3
    Castle Pines
  176. Radio Shack caller ID/call waiting box
    $20
    Castle Pines
  177. Vtech Dual Keypad Speakerphone
    $35
    Castle Pines
  178. GE corded phone, brown
    $8
    Castle Pines
  179. Apple I pad with a rugged protective case new in plastic case
    $50
    Castle Rock
  180. YUHAI B20 Sports Music Watch
    $20
    Castle Pines
  181. Sony Receiver
    $85
    Parker
  182. TV Mount
    $35
    Parker
  183. Harmony Smart Conttol
    $20
    Parker
  184. Polk Audio Subwoofer
    $180
    Parker
  185. IQ-207: IQ Sound Wireless FM Transmitter
    $9
    Castle Rock
  186. Brushed steel vented boxes for electronic hobbyist
    $3
    Castle Pines
  187. Samsung 32" TV
    $30
    Parker
  188. Polk Audio Center Speaker
    $25
    Parker
  189. Cb radio
    $100
    Parker
  190. AT&T Remote Answering Machine
    $3
    Castle Pines
  191. Netgear powerline 200 Nano XAVB2101
    $30
    Castle Pines
  192. 35 MM Big Royal View Camera, motor drive with 50 mm adjustable lens
    $60
    Castle Rock
  193. Digital Camera Universal AC Adapter
    $10
    Meridian Village (near I-25 / C-470)
  194. Vintage pioneer speakers
    $100
    Castle rock
  195. 2035 Step Motor Drive 1000-052, quantity 3
    $80
    Castle Pines
  196. Motorola SBG6580 DOCSIS 3.0 Cable Modem
    $25
    Castle Pines
  197. Various Mobile Radio Antenneas
    $20
  198. Lamp-Touch
    $40
    Castle Rock
  199. Graphtec fc8000-75 vinyl plotter
    $1,000
    Castle Rock
  200. Radio Shack Hands-Free 900 MHz Headset Phone; ET-3908
    $18
    Castle Pines
  201. 2 Gen 2 Google Home Mini (OBO)
    $50
    Castle Rock
  202. Powerful gaming PC
    $1,300
    Castle Rock
  203. Zenith multi-brand remote, New but opened packaging
    $10
    Castle Pines
  204. ASUS router
    $90
    Castle rock
  205. REDUCED - INCREDIBLE BARGAIN- DYMO Label Printer XL 550
    $100
    Castle Rock
  206. J-Lab Audio Kids Headphones
    $10
    Castle Pines
  207. ARRIS SURFBOARD ROUTER
    $30
    CASTLE ROCK
  208. Netgear powerline 200 mini adapter
    $40
    Castle Pines
  209. BlueAnt S4 Hands Free Car Bluetooth Speakerphone
    $15
    Castle Pines
  210. Voice Changer
    $15
    Castle Rock
  211. Vintage Compaq Portable 2 Computer MS-DOS Windows 3 /w Mouse Working
    $400
    Parker
  212. Vizio sound bar with subwoofer
    $50
    Castle Rock
  213. Sony 32 inch with Amazon 4k firestick
    $50
    Castle Rock
  214. Klipsch Speakers
    $350
    Castle Rock
  215. Acer Chromebook
    $30
    Castle Rock
  216. Asus 24 inch Monitor
    $30
    Castle Rock
  217. Insignia 24 inch TV
    $25
    Castle Rock
  218. Archer Power Transformer - still in original packaging!
    $8
    Castle Pines
  219. Dynex 3.5" USB 3.0 SATA HDD Enclosure
    $15
    Castle Pines
  220. Connectix - Easy Video Capture
    $5
    Castle Pines
  221. Sony Board #LIME ENX-15
    $40
    Castle Pines
  222. Phase Technologies Variable Frequency Drive (VFD)
    $8,500
    Franktown
  223. Apple iPad Air (M2) Wi-Fi, 128GB, Space Gray 11inch--NEW
    $350
  224. Galaxy S8 cellphone holster
    $10
    Castle Pines
  225. Broadband Firewall Router with 4-port switch
    $25
    Castle Pines
  226. Event 20/20 passive studio monitors
    $140
    Franktown