Features: 1. Support reading MP3 songs in TF card and U disk; 2. Support independent adjustment of treble, bass and master volume; 3, Working Voltage : AC 220V or DC 12~24V 4, With AUX Audio input, can be connected to the computer, mobile phone or CD 5, Digital power amplifier, peak power 120W, can drive 4Ohm 100 magnetic speakers; 6, Dual microphone input, adjustable reverb; built-in Bluetooth wireless Receiver and FM radio . Specifications: How to Connect to Bluetooth : Press the “MODE” button to switch the machine to Bluetooth status, open the mobile phone Bluetooth, search for the Bluetooth device with the mobile phone, search for the product and click the Bluetooth name of the product to connect. After the connection is completed, you can receive the music played on the mobile phone. Notice: Some mobile phones will prompt you to enter the PIX code. You can enter “0000” at this time (if the phone supports the easy pairing function, you do not need to enter the PIN) Radio function operation instructions: 1. Hang up the radio antenna; 2. Press the MODE button to switch to the radio state; 3. Press the play button to search the entire channel and automatically save the station; 4, press the previous or next track to switch to the next or next station Note: The radio effect is not ideal, mainly for the radio, please buy a professional radio. Power Wiring Instructions (Please follow the instructions carefully to avoid unnecessary damage): 1. The panel DC12V/24V interface can be connected to DC 12V or DC 24V, and the current requirement is more than 3A (available battery or power adapter); 2, panel AC 100-240V interface can be connected to AC100V-240V AC power with 8 word power cable (not touch the circuit board after power on, so as to avoid electric shock). Note: The above power-on methods can be connected in any way, and cannot be accessed at the same time. Wiring instructions: 1. Connect the subwoofer: connect a speaker with about 100 magnets or a speaker with about 100W: 2, Connected to the tweeter: can be connected to 30W tweeter (It can also be disconnected) ?Add a capacitor when the tweeter is connected? 3. Suitable for 8-12 inch speakers. Notice: Please turn off the small master volume before power-on test. Then increase the volume slowly after power-on. If the sound is intermittent or the sound is hoarse and distorted during the process of increasing the vol Package Included: 1*Digital Bluetooth Stereo Amplifier Board 1*Remote control 1*Audio Cable 1*DC line 1*Power supply cableShipping&PaymentReturnFeedbackAbout usContact usShipping&Payment We accept Payoneer or PayPal and all major credit cards. Payments sent via Paypal may require verification to protect against unauthorized transactions. International payments can be sent via Paypal. International orders may be subject to duty fees, import charges and VAT charges. Please check with the customs department in your country for an accurate import fee quote. Please make sure that your contact information such as your contact phone number and email address are up to date. We ship your packages via Speedpak. If you want to use other Logistics company. Please message us or call our office and we will do our best to assist you. We do not perform address changes on existing orders. Please contact our office for possible options if the wrong address has been submitted. Expedited shipping is available. For more information and for shipping options please contact our customer center, one of our agents will be happy to help. We process orders within 24 hours from when your payment has been cleared.Return We are proud to offer a Free 30 day return or exchange policy. We will offer a full refund or exchange for qualifying items returned within 30 days of the delivery date. All returns must be pre-authorized through our Customer Service Department, and must be sent back to us in exactly the same condition as you received it. All items must be new and in original boxes. In order to be eligible for return, all internal packing materials, instruction manuals, BLANK warranty cards and accessories must also be included for any replacement, exchange, or refund. After receiving authorization (RMA) from us, please ship your merchandise (adequately packaged) back to Ours. Please do not write on, or place shipping labels or stickers, on the manufacturers packaging. Merchandise shipped back without an RMA will be returned at the buyers expense. Please note - A package refusal will be recognized as an unauthorized return in which a 5% restocking fee, as well as the cost for the returned shipment, will apply. If any of the above conditions are not met, We will reserves the right to refuse the return or charge a restock fee of not less than 15%, at our sole discretion.FeedbackWe value our customers opinions. If you are happy with your purchase, Please kindly leave a Positive Feedback with 5 star rating.If you find any problem on the item you received, please contact us before leaving any negative/neutral feedback. we will get back to you immediately.We guarantee 100% satisfaction! About us We are based company specializing in Manicure salon. Our wide variety of Nail art have served both professionals, Manicurist and Family art salon alike. The world of Manicure Pedicure is growing constantly. The nail drill machine, nail arcylic, equipment and accessories are increasing daily. With the many options to choose from, you want to know youre getting the very best. We pride ourselves with a wonderful team of highly knowledgeable staff in the category of Nail Art Salon. To serve you better, weve transformed the nail art shopping experience from Im so confused, Im not sure what Nail drill machine/polish/drill bits is right for me, to this was so simple, I feel so confident about my purchase. Our customer service goes beyond the sale. Not happy? Changed your mind? Our hassle free returns never felt so hassle free. Our Nail art salon savvy are available and ready to assist. Happy shopping.Contact us Welcome to Our support center, where help is only a click away. Feel free to email via eBay messaging and one of our knowledgeable agents will respond accordingly. Manicurist & Nail art salon We are happy to work with and accept purchase orders from Nail art salon company and qualified corporations. Just give us a call, or email to get started! Our office hours are: Monday - Thursday 8:30 AM – 6 PM EST Weekends and Holidays were closed. We look forward to your communication and to speaking to you personally.

TEAC A-R650 Integrated Stereo Amplifier motherboard. Removed from an amp with a failed transformer , tested and working

10PCS Red Microphone Amplifier Motherboard Volume Adjustable I4U1 Electronic DIY module, ultra-miniature electret direct module, small sizeThis product is small in size, customers who buy a single piece, please be to inspect the product at the face when receiving it, so as not to be thrown with the backing paper!Support 5 to 12V DC power supplyThe input can be directly connected to an electret microphone without adding any bias circuit, and can also support dynamic microphones, piezoelectric , and record player pickups. The volume can be fine-tuned through the on-board miniature potentiometer, and the output OUT port can drive speakers from 8 to 32 ohms (0.5 to 35W), and can also be connected to headphones.Rated output power 750mW, instantaneous power 1.5W, very suitable for DIY various vocal amplifiers, pickups, amplifiers, wired walkie-talkies, etc.color:RedMaterial:PCBsize:22 x 13 x 7mmPackage Contents:10 x Amplifier motherboard