With A Volume Control Potentiometer, Devmo 2Pcs Pam8403 3W Stereo Audio Power Operating voltage: 2.5V-5.5V Speaker Load: 4-8 Ohms Size: 29 x 20 x 12.5 mm (L x W x H); 29 x 35 x 12.5 including volume control knob Volume control potentiometer shaft diameter: 6mm Net weight:8g Product Features ?Can use the computer USB port, USB power bank or a mobile phone charger to supply the 5V support power,Battery power can also be used ?Provides 3W (left channel) + 3W (right channel) output power into a 4? speaker load and 5V power supply ?Integrated power switch and volume control (turn knob fully counter-clockwise to turn off) ?Module has short-circuit current protection, under-voltage lockout and over-temperature protection (shuts down at an internal temperature of 140C +/- 15C) ?Package Includes: 2PCS PAM8403 Class D Stereo Audio Power Amplifier Module with Volume Control Potentiometer Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!