Multiple audio inputs: besides Bluetooth5.0/stereo RCA/3.5mm AUX inputs, that can be compatible with ipad, cellphone, MP3 player, CD player, dataplay, computer, decoder, etc. 1x AK35 Amplifier. Bike Bicycle 4 Sounds Police Siren Trumpet Electronic Horn Bell 6 LED Rear Light.
eBay
✅【 40W + 40W Audio Power Amplifier 】 40W + 40W Rated Power, 4-16Ω Impedance, Can Present Audio Signals to your Passive Speakers. -Supports Bluetooth, RCA & 3.5mm AUX Input, USB, SD/TF Card & FM Radio.
eBay
Douk Audio K5 USB DAC & Headphone Amp: Featuring USB and SPDIF optical inputs, as well as optical, RCA and 6.35/3.5mm jack outputs, the K5 serves as a high-performance headphone amplifier, a USB DAC, a preamp, but also a USB to optical converter to transmit the high-quality audio from the computer to those audio devices only with SPDIF digital input such as CD players, amplifiers and active speakers etc. High-end Chipset and Top-level Parameters: The K5 adopts ESS9038Q2M (DAC), SA9312 (DSP), OPA1678 (LPF) and SGM8262 (amp) op-amps, and supports PCM 32bit/384kHz high-resolution decoding and DSD256 playback. Its excellent circuit design ensures superior performance with a SNR over 121dB, a low noise floor of only 3μV and an incredibly low THD of 0.0007%, K5 delivers an exceptional listening.
eBay
1000 WATT PEAK POWER : Donner stereo receiver provides a 1000W peak power (25W × 4 RMS power) and simplified appearance to level up your audio experience. DUAL MIC INTERFACES : Equipped with dual 1/4" microphone jacks for your karaoke party.
eBay
Sony STR-VX2L receiver (amplifier & tuner) in excellent condition and perfect working order. Superb sound quality and all the features work a they should. There are a number of RCA inputs, this predates CDs but you can connect a CD player to the AUX input.
eBay
G4 can be used as full frequency amp or subwoofer amp with the B/M switch to connect different speakers, and with 3.5mm AUX and RCA input to compatible with different audio devices. 2PCS G4 can be used to drive left and right channel independently to avoid mutual interference.
eBay
With 5 kinds of analog and digital audio input (Bluetooth 5.0 / USB / Coaxial / Optical / 2 groups of RCA), compatible with almost all audio devices such as MP3, phone, tablet, computer, CD players etc. to meet different needs of home audio systems. U-disk input supports lossless formats such as APE, FLAC, WAV etc., easy to enjoy HiFi music. Besides speaker output (4/6/8Ω), a low frequency output is specially designed to connect active subwoofer to build 2.1 channel audio systems, which can strengthen bass sound effects to bring more shocking experience just like in the cinema. With treble and bass control to bring more delicate sound according to your own listening style. Integrated design of vacuum tubes and transistors, using 6U1/6A2/ECH81 tube for pre-amplificatoin, WY2P tube for recti.
eBay
Adastra A200 Mixer Amplifier Main Features. Two A200 units may be mounted side-by-side into a 1U rack space, which can serve smaller peripheral zones in a larger PA installation. Combine with 2 or 4 speaker units for a truly space-saving sound system with comprehensive and easy-to-use functions.
eBay