CowBoom offers the used Pioneer AppRadio 2 In-Dash Receiver, model no. SPH-DA100, for $229.99. Coupon code "b2s10" drops it to $219.99. With free shipping, it's $163 under the lowest total price we could find for a new unit. Sales tax is added where applicable. Features include a 7" 800x480 touchscreen LCD, 50 watts per channel into four channels, iPhone and Android compatibility, Bluetooth, advanced App mode, rear camera connectivity, FM tuner, and more.

Note that no warranty information is provided. Also, these used items may have blemishes and be missing accessories.