Apple MacBook Pro MGXA2LL/A 15-Inch Laptop with Retina Display (2.2 GHz Intel Core i7 Processor, 16GB RAM, 256GB SSD) (Renewed)

[HiFi Stereo AMP]This Dual channel stereo digital amplifier offer 100W+100W peak power and 30W+30W rated power, with 12V 5A power supply to connect the devices. [Bluetooth 5.0] Built-in bluetooth 5.0 core, no pop, no audible noise when Bluetooth connection is established, designed for the customers who pursue HiFi sound. (NOTE: Please keep the distance within 30ft/10m between the device and amplifier without any wall blocking. But if you are connecting whith TV or PC devices, please keep the distance within 15ft/5m.) [USB 2.0/SD Card Input]The sound amplifying mixer device features a USB/SD card input to support flash drives or SD card. Allows you to play your favorite audio files from your computer's media library when you connect it directly to the amp. [Bass & Treble Control]Designed with volume, treble and bass control knobs for more delicate adjustment of the sound, much fun and high playability. Include controller for distant audio adjustments. Note: There is an isolation plastic sheet at the bottom of the remote control, which needs to be removed before use. [Wide Application]Compatible with mobile phones, computers, tablets, notebooks, TVs and projectors with AV audio etc. Recommend for home TV audio, computer audio system-game, tower Speaker, garden speaker. Small simple compact design also for car audio system.

[100W Power]Daakro AV-660BT Audio Amplifier is a multi-function home stereo amplifier, compact and powerful,that provides 40W + 40W rated power and a maximum output of 100W + 100W. perfectly suitable for 4-16 inch passive speakers.This little BT amplifier which is perfect for karaoke, home theater, and acoustic sound systems. It's great for small apartments, bedrooms, offices, basements, and garages. Its compact size design fits easily into your bookshelf or A/V cabinets. [Various Input Options] Connect your music streaming devices such as PC, mobile, or laptop via Bluetooth, RCA, or MIC input. It also supports USB, SD/TF card ports, and FM radio. You can enjoy your music the way you want to. (Note: Please keep the distance within 16.4 ft/5m between the device and amplifier without any wall blocking. If you are connecting with PC devices, please keep the distance within 6.5 ft/2m.) [Hi-Fi Amplifier] Designed for those seeking high-fidelity sound quality, this amplifier features 2 enhanced audio processing chips and powerful sound processing technology for low distortion output and high-fidelity sound quality,and high fidelity sound quality,and also minimizes the impact of noise by eliminating the current sound to the greatest extent possible.Treble, bass can be adjusted according to personal preference. The equalizer optimizes the sound for better output through a speaker. [Easy Operation]Conveniently change audio settings from a distance with the included mini remote control. (NOTE: Remove battery insulating sheet on remote upon receipt for it to work,Remote control can ONLY remotely control the volume of MP3/BT/FM.) Set the desired output of music with bass and treble control knobs. Enjoy a clear and detailed display with our amp that comes with a built-in digital LED display. [Wide Application]The AV-660BT audio amplifier compatible with mobile phones, computers, tablets, notebooks,and projectors with AV audio etc. Recommend for home TV audio, computer audio system-game, tower Speaker, garden speaker. Small simple compact design also for car audio system

[Cardioid Dynamic Karaoke Microphone]Wired microphone with cord for karaoke features a cardioid pickup pattern for capturing source signal and minimizing background noise and feedback reproducing, ensures clear and warm vocal sound without distortion,which makes the handheld DJ microphone corded remarkable for presentation, wedding, conference, church, interview and solo performances stage. [Flat, Wide Range Frequency][The smooth frequency response is solid from 55 to 15.5 kHz. The 1/4" karaoke microphone is well suited for handling high sound pressure levels. 1/4'' plug-in microphone is tailored for spoken word, various instruments such as acoustic guitar. With no power requirements, the dynamic vocal microphone is the ideal choice for all live applications. [Optimal Speech Intelligibility]Such karaoke microphone system for adults, the vocal microphone wired provides a low distortion:-52+2dB, precise reproduction of speech and vocals with excellent intelligibility. We conducted a special vibration test, with a frequency of 10Hz-55Hz, 3-axis full-amplitude vibration of 2mm per minute, 2 hours later, the sensitivity change in +2dB or less. [XLR to 1/4” Cable & Smooth Switch]Equipped with a 16.4ft (5m) XLR to 1/4" (6.5mm) cable, this dynamic microphone is seamlessly compatible with a range of devices with 1/4" (6.5mm) microphone inputs，such as DVDs, amplifiers, mixers, tour buses, and speakers.Experience smooth and responsive control with a reinforced switch. Effortlessly change settings without the noise of traditional switches. [Sturdy and Reliable] Daakro karaoke microphone is made of steel mesh grille and metal enclosure protecting microphone against scratch,it is sturdy and durable, not easily corroded by liquids,comfortable for holding and not afraid of dropping.

[Dual TPA3116D2 HiFi Chip]Daakro ZK-TB21 Bluetooth Amplifier Board uses the original imported TPA3116D2 HiFi amplifier chip with PurePath technology for ultra-high resolution, ultra-low distortion and high-fidelity sound quality. Supports 2.1-channel configuration, including left channel, right channel and subwoofer output. The left and right channels each provide 50W output power, and the subwoofer can reach a maximum output power of 100W, creating an immersive sound experience. [Dual Audio Input Modes] This amplifier board integrates AUX and Bluetooth 5.0 input methods. You can seamlessly connect with the latest Bluetooth 5.0 technology and enjoy the convenience of wireless, or you can choose the traditional AUX input connection to access the audio source. The vast majority of devices can be used, such as mobile phones, TVs, laptops, etc. It is very easy to connect and use, enjoy the fun of music. [Wide Application]The Daakro ZK-TB21 amplifier board supports a wide input voltage range from 12V to 24V DC, and can be powered by 12V, 15V, 18V, or 24V. This adaptability ensures that you can easily find the right power source. The board is suitable for 30-200W, 4-8Ω speakers, and can be perfectly matched with speakers of all sizes. This means you can choose the right power supply and speakers according to your actual needs. [Comprehensive Protection]The Daakro ZK-TB21 Bluetooth Amplifier Board has a comprehensive built-in protection mechanism, including over-voltage protection, under-voltage protection, over-temperature protection, short-circuit protection and reverse connection protection. These smart protection features ensure that your device is protected in every situation, so you can enjoy your music with confidence. [Optimal Power Matching]Note that optimal audio output requires the correct combination of adequate audio input with appropriate power supply voltage and current. Different loudspeaker impedances affect relative sound power. A loudspeaker with a higher impedance will produce less relative sound power with sufficient voltage and current. Please be aware of these factors to optimize your audio experience.