Amazon has the Energy ESW-M8 NA 1200-Watt Subwoofer for only $279.99 w/ free shipping. Tax only in KS, ND, WA.

NewEgg has the Energy ESW-M8 1200 Watt Mini Subwoofer (Black) Each for only $399.99 - $120 off via coupon code: EMCJKHC82 (exp 11/2)+ $0 shipping = $280 shipped. Tax in CA, NJ, TN.

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Extra $3 off Rosewill RSL-100 Solar Garden Lights - 6 Lights Set $13.99 w/ code: EMCJKKF222 (exp 10/10)
Extra $5 off Rosewill RCP-SC29 Mini Car USB Adapter/Fast Charger $4.99 w/ code: EMCJKKF97 (exp 10/10)
Extra $3 off WHISTLER PRO-200W 200 Watt Power Inverter $24.99 w/ code: EMCJKKF98 (exp 10/10)
Extra $13 off Panasonic SD-YD250 Automatic Bread Maker with YeastPro yeast dispenser $121.99 w/ code: EMCJKKF25 (exp 10/10)
Extra $16 off Saeco 01167 50-Ounce Electric Water Kettle $23.99 w/ code: EMCJKKF94 (exp 10/10)
Extra $15 off Ginsu 04819 G 16 Piece Stainless Block Set $34.99 w/ code: EMCJKKF93 (exp 10/10)

Computer & Accessories

$50 off MSI Intel Core i5 2410M(2.30GHz) Notebook, 6GB Memory, 500GB HDD w/ code: EMCJKKF42 (exp 10/10)
Extra $10 off MEElectronics Black 3.5mm Headset w/Attached Hi-Fi Sound-Isolating In-Ear Headphones with Microphone $9.99 w/ code: EMCJKKF96 (exp 10/10)
Extra $20 off MEElectronics A151-BK 3.5mm Connector In-Ear Headphone with Balanced Armature Technology $39.99 w/ code: EMCJKKF89 (exp 10/10)
$28 off Pioneer SE-M290 3.5mm/ 6.3mm Connector Circumaural Over-Ear Stereo Headphone $21.99 w/ code: EMCJKKF88 (exp 10/10)
Rosewill RTK-015 15 Piece Standard Computer Tool Kit $9.99 free shipping w/ code: EMCJKKF67 (exp 10/10)
Extra $5 off ASUS USB-N13 Wireless Adapter $17.99 w/ code: EMCJKKF33 (exp 10/10)
$5 off Rosewill RNX-N300 Wireless N Adapter $19.99 w/ code: EMCJKKF32 (exp 10/10)

Speaker & Home Theater

$510 off Energy ESW-M8 1200 Watt Mini Subwoofer (Black) Each $289.99 w/ code: EMCJKKF87 (exp 10/10)
Extra $42 off Polk Audio Monitor60 Series II Floorstanding Loudspeaker (Black) Each $107.99 w/ code: EMCJKKF68 (exp 10/10)
Extra $17 off Polk Audio CS1 Series II Center Channel Speaker (Black) Each $62.99 w/ code: EMCJKKF86 (exp 10/10)
Extra $35 off Polk Audio Monitor30 Series II Two-Way Bookshelf Loudspeaker (Black) Pair $84.99 w/ code: EMCJKKF85 (exp 10/10)
Extra $80 off YAMAHA RX-V867 7.2-Channel Digital Network Home Theater Receiver $399.99 w/ code: EMCJKKF84 (exp 10/10)

Computer Case & Powr Supply

Extra $5 off Thermaltake V3 Black Edition Black SECC / Plastic ATX Mid Tower Computer Case $29.99 After $10.00 MIR w/ code: EMCJKKF58 (exp 10/10)
$15 off Lowepro LP36103-0EU Black Adventura 120 Camera Case w/ code: EMCJKKF73 (exp 10/10)
Extra $15 off Antec DF-85 Black ATX Full Tower Computer Case w/ code: EMCJKKF57 (exp 10/10)
Extra $10 off Rosewill DESTROYER Black Gaming ATX Mid Tower Computer Case $39.99 w/ code: EMCJKKF56 (exp 10/10)
15% off NZXT Cases and Power Supplies w/ code: NZXTOCT1 (exp 10/10)
Extra $10 off CORSAIR Enthusiast Series TX650 V2 650W 80 PLUS BRONZE Certified High Performance Power Supply $59.99 After $15.00 MIR w/ code: EMCJKKF59 (exp 10/10)
Extra $3 off Rosewill RTK-PST Digital LCD Power Supply Tester $11.99 w/ code: EMCJKKF66 (exp 10/10)

CPU & Memory

$20 off Intel Core i7-2600 Sandy Bridge 3.4GHz (3.8GHz Turbo Boost) LGA 1155 95W Quad-Core Desktop Processor $279.99 w/ code: EMCJKKF55 (exp 10/10)
$10 off AMD Athlon II X3 450 Rana 3.2GHz Socket AM3 95W Triple-Core Desktop Processor $67.99 w/ code: EMCJKKF54 (exp 10/10)
$10 off AMD Phenom II X6 1090T Black Edition Thuban 3.2GHz Socket AM3 125W Six-Core Desktop Processor $159.99 w/ code: EMCJKKF53 (exp 10/10)
Extra $5 off CORSAIR Vengeance 8GB (2 x 4GB) DDR3 1600 (PC3 12800) Desktop Memory $53.99 w/ code: EMCJKKF62 (exp 10/10)

Hard Drive

Extra $10 off Western Digital Caviar Black WD1002FAEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5in Internal Hard Drive $69.99 w/ code: EMCJKKF52 (exp 10/10)
Extra $5 off Western Digital Scorpio Black 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s Notebook HDD $49.99 w/ code: EMCJKKF29 (exp 10/10)
Extra $50 off NETGEAR RNDP2000-100NAS Diskless System ReadyNAS Pro 2 Diskless 2-bay unified network storage $399.99 w/ code: EMCJKKF28 (exp 10/10)
Extra $10 off HITACHI XL Desk 2TB USB 2.0 External Hard Drive HXSDNB20001BBB (0S02485) $69.99 w/ code: EMCJKKF27 (exp 10/10)
$5 off HITACHI 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s HDD $34.99 w/ code: EMCJKKF65 (exp 10/10)

Router

Extra $10 off EnGenius ECB9500 Wireless Access Point / Bridge / Repeater / Router $74.99 w/ code: EMCJKKF36 (exp 10/10)
Extra $5 off ASUS RT-N12 Wireless Broadband Router $34.99 w/ code: EMCJKKF35 (exp 10/10)
Extra $20 off D-Link DIR-655 Wireless Broadband Router w/ code: EMCJKKF34 (exp 10/10)

Flash Card

$3 off Transcend 8GB Micro SDHC Flash Card Model TS8GUSDHC6 $11.99 w/ code: EMCJKKF24 (exp 10/10)
$5 off Transcend 32GB Micro SDHC Flash Card with Adapter Model TS32GUSDHC4 $44.99 w/ code: EMCJKKF23 (exp 10/10)

Others

$3 off TDK 4.7GB 16X DVD-R 100 Packs Spindle Disc Model 48520 $16.99 w/ code: EMCJKKF49 (exp 10/10)
$3 off Verbatim 700MB 52X CD-R 100 Packs Spindle Disc Model 94554 $19.99 w/ code: EMCJKKF48 (exp 10/10)
$5 off Rosewill RX35-AT-IU SLV Aluminum 3.5in Silver USB 2.0 External Enclosure $14.99 w/ code: EMCJKKF47 (exp 10/10)
Extra $5 off Rosewill RKV-2UC 2-Port USB KVM Switch $14.99 w/ code: EMCJKKF45 (exp 10/10)
Extra $20 off Rosewill RSV-R4000 Black 1.0mm SECC, 4U Rackmount Server Chassis 8 Internal Bays, 4 Included Cooling Fans $59.99 w/ code: EMCJKKF44 (exp 10/10)
Extra $10 off ASUS VH226H Black 21.5in 2ms(GTG) HDMI Widescreen 16:9 Full HD 1080P LCD Monitor $119.99 After $20.00 MIR w/ code: EMCJKKF39 (exp 10/10)
Extra $30 off SAMSUNG SCX Series SCX-4623FW MFC / All-In-One Monochrome Wireless Laser Printer $119.99 w/ code: EMCJKKF38 (exp 10/10)
Extra $16 off Microsoft Windows Anytime Upgrade: Windows 7 Home Premium to Professional $63.99 w/ code: EMCJKKF37 (exp 10/10)
Extra $10 off Western Digital WD TV Live Plus HD Media Player $79.99 w/ code: EMCJKKF26 (exp 10/10)
Extra $5 off Recertified: GARMIN nüvi 1350 LMT 4.3in GPS Navigation w/Lifetime Map & Traffic Updates $124.99 w/ code: EMCJKKF99 (exp 10/10)
$10 off SanDisk Sansa Clip Zip 1.1in Black 4GB MP3 Player SDMX22-004G-A57K $39.99 w/ code: EMCJKKF92 (exp 10/10)
Extra $25 off Rosewill RHTB-11002 Black 26in to 46in TV Bracket $34.99 w/ code: EMCJKKF83 (exp 10/10)
Extra $30 off BenQ MX501 1024 x 768 2500 ANSI lumens DLP Projector 4000:1 $339.99 w/ code: EMCJKKF82 (exp 10/10)
Extra $30 off OLYMPUS Stylus 7030 Orange 14 MP 2.7in 230K HyperCrystal II LCD Digital Camera $59.99 After $10.00 MIR w/ code: EMCJKKF72 (exp 10/10)
Extra $10 off Motorola Bluetooth In-Car Speakerphone Handsfree Car Kit with Built In Digital FM Transmitter / Audio Caller ID / 18 hours talk time (T505) $39.99 w/ code: EMCJKKF69 (exp 10/10)
Extra $3 off IOGEAR Wireless 1080p Computer to HDTV Kit (Black) GUWAVKIT3 VGA / HDMI Interface $129.99 w/ code: EMCJKKF63 (exp 10/10)

NewEgg has the Energy ESW-M8 1200 Watt Mini Subwoofer (Black) Each for only $299.99 + $0 shipping = $300 shipped. Tax in CA, NJ, TN.