Ends 4/15 at 9PM PT. 1Sale has the Emerson EBT1000-W Bluetooth Stereo Speaker for $20 with free shipping. Features rechargeable battery, USB port, 3.5mm AUX input, and a built-in mic for answering calls.
Newegg has the GOgroove SonaVERSE BXL Portable Speaker Boombox for $40 - $15 off with coupon code EMCPFWW84 [Exp 4/14] = $25 with free shipping. Features 7-hour Li-ion battery and connects to devices via a 3.5mm aux cable. Normally $35+.
Sears has the iLive ISB223B Portable Bluetooth Speaker and Nightlight for $27 with free shipping. Has built-in speakers and rechargeable battery, nightlight, 3.5mm and micro-USB inputs, USB phone charging, Bluetooth v2.0.
Amazon with Claybox has the PLEMO Magic Cube Rechargeable Portable Bluetooth Wireless Speaker with 3.5mm Audio Port (Black or White) for $30 with free shipping on $35+. Sells for $37+ elsewhere. Features up to 30 feet wireless range, built-in rechargeable battery and includes 3.5mm audio jack cable. Excellent Amazon reviews.
Amazon has the XtremeMac USB-SBT-11 Soma Wireless Bluetooth Speaker for $30 with free shipping. Has a rechargeable 1150 mAh internal battery, can charge mobile devices with USB port and has a mic when you want to take a call using the speaker.
Meritline has the refurbished Logitech Rechargeable Speaker S715i for iPod and iPhone for $49 - $19 off with coupon code MLCKW11UNL1 [100 uses] = $30 with free shipping. Features eight speaker drivers, wireless remote, rechargeable battery and trayless dock.
eBay with Pana Tech has the KOHO KB302 Wireless Bluetooth Mini Speaker for $30 with free shipping. Sells for $40+ elsewhere. Features Bluetooth 2.1 + EDR connectivity, built-in mic, and up to 4.5 hours of playback time.
Tanga has the JBL OnBeat Micro Speaker Dock with Lightning Connector, Black for $40 with free shipping. Features two full-range transducers, DSP technology, USB port, and AUX input. Good Amazon reviews.
Ends 4/17. Best Buy has the Accessory Power GOgroove BlueSYNC TYM Bluetooth Stereo Speaker System and Alarm Clock with Temperature Sensor for $40 with free shipping. Goes for $50+ elsewhere. Features wooden construction with 2x 6W speakers, clock and temperature display, speakerphone function, and 30-foot range for Bluetooth streaming.
Newegg has the refurbished Logitech Wireless Boombox for iPad and iPhone (984-000181) for $65 - $20 rebate [Exp 4/30] = $45 with free shipping. Features 8 drivers, 33' Bluetooth range and up to 6 hours of battery life.
Amazon has the JBL OnBeat Mini High Performance Loudspeaker with Lightning Connector, Black (JBLONBEATPRCBLKAM) for $50 with free shipping. Connects to the newer iPhone, iPod and iPad mini devices with Lightning port and features a built-in rechargeable battery, USB charging port and 3.5mm aux input.
Amazon has the Eton Rugged Rukus All-Terrain Portable Solar Wireless Sound System (NRKS200B) for $60 with free shipping. Wirelessly connects to any Bluetooth device, has a solar panel and micro USB for charging smartphones on-the-go, and is drop-proof from a height of over 3 feet. Excellent Amazon reviews.
eBay with Daily Steals has the SOL Republic 1500-00 DECK Wireless Speaker (Black or Red) for $80 with free shipping. Sells for $93+ elsewhere. Features R2 Sound Engines, built-in mic, Heist mode, and Bluetooth/NFC pairing.
Amazon has the ION IPA22B Party Rocker Portable Bluetooth Speaker System for $100 with free shipping. Streams music wirelessly from any Bluetooth music player and projects dazzling, colorful light patterns onto walls and ceilings.
Ends 4/9 at 10PM PT. Tech.woot! has the Sony RDP-XA700IP Apple 30-Pin Speaker Dock with Airplay for $100 + $5 shipping = $105 shipped. Sells for $264+ elsewhere. Features 60-watt stereo sound output, Clear Phase DSP technology, and S-MASTER digital amplification. Excellent Amazon reviews.
6pm has the House of Marley EMJA002MI Roots Rock Portable Bluetooth Speaker for $110 + $0 shipping = $110 shipped. Features recycled plastic enclosure, bamboo sides and a fabric cover that converts to be used as a stand.
eBay with 5stardeal has the Northwest 72-15733 Big Bluetooth Juke Box Speaker System for $125 with free shipping. Sells for $150+ elsewhere. Features a light up trim, built-in FM radio tuner, full control panel with volume control, and includes 3.5mm auxillary cord and remote control.
Ends at 10PM PT. Sellout.woot! has the Sony RDH-GTK33iP G-Tank Mini Hi-Fi Music System for $130 + $5 shipping = $135 shipped. Sells for $230+ elsewhere. Features 30-pin iPhone/iPod dock, USB connectivity, dual 7.9" mica cone woofers.