As one of its daily deals, newegg offers the Affinity Bluetooth Audio Soundbox, model no. SBX400, for $39.99 plus $4.99 for shipping. That's tied with our December mention and the lowest total price we could find by $10. It features a frequency response of 60Hz to 20kHz, 4 ohms impedance, and wireless range of up to 33 feet. Deal ends today.