(Only applicable to passive speakers, not applicable to active speakers.). Equipped with fiber optic audio input interface and 192K/24bit DAC converter, it can convert fiber optic audio signals into analog L/R audio, allowing you to connect high-definition TV fiber optic output interface to bookshelf speakers.
eBay
Douk Audio Mini Bluetooth 5.0 Digital Amplifier NS-01G Hi-Fi Stereo Home Audio TPA3116 Power Amplifier 100W
Aliexpress UK
Tested and working PU light on one of the display doesn't light up. Item has marks in various places. This is a heavy duty Amplifier The Realistic Power Stereo PA 100W Power Amplifier MPA-100 in black from the 1990s is a classic piece of equipment that delivers 100 watts of power through its stereo L/R RCA inputs and banana speaker jacks. With its analog features and 2 channels, this amplifier is ideal for enhancing your home audio system with its high-quality sound output. The sleek black design adds a touch of retro charm to your sound setup, while the compact size makes it a versatile addition to any home entertainment system.
eBay
Fosi Audio BT20A Bluetooth TPA3116D2 Sound Power Amplifier 100W Mini HiFi Stereo Class D Amp Bass Treble For Home Theater
Aliexpress UK
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
Nobsound NS-10G PRO Hi-Fi Digital Amplifiers Mini Stereo DSP Bluetooth 5.0 Receiver Home Audio Desktop Power Amplifier 100W*2
Aliexpress UK
A WORKING MODE SWITCHER: convenient to use it as subwoofer bass amplifier or full frequency amp, and you can use two Nobsound G2 to drive left and right channel independently, and the mutual interference between the channels is suppressed. GAIN CONTROL: a gain switch on the bottom of the amplifier to allow 4-level of output level setting (20/26/32/36 dB), to keep the sound quality better and not affected by the the resistor part. HIGH-END MATERIALS AND LARGE POWER: Texas Instruments TPA3116 chip, NE5532 op-amp to guarantee no audible noise, 100Wx 1 @2ohm mono channel amp can drive most home passive speaker or subwoofer, bringing HiFi listening experience.
eBay
Nobsound Hi-Fi Digital Amplifiers Mini Stereo DSP Bluetooth 5.0 Receiver Home Audio Desktop Power Amplifier 100W*2
Aliexpress UK
With standard stereo RCA audio input, perfectly compatible with many audio devices such as phone,TV, MP3 players, CD players, DAC, computers etc.. With built-in preamplification circuit, can match well with audio source that with low signal output. Adopting classical TPA3116 IC chip in each channel, class D amplification, the max output power can reach 100W+100W(4Ω load), easily to drive all home bookshelf/ computer/ desktop/floor-standing/outdoor passive speakers. Reasonable circuit, concise wiring layout and perfect protection, no sparks no shock. With ultra-low distortion and dynamic balance, the sound is very smooth and natural, powerful in low frequency and delicate in high frequency. The speaker terminals use a staggered design, which provides more space and makes connection easier.
eBay
AIYIMA Audio A01 TPA3116D2 Sound Power Amplifier 100W Mini Hifi Class D Stereo Amp Bass Alto Treble for Home Theater
Aliexpress UK
Adjusted by the analog components to upgrade the mini mixer, give you the real HIFI sound effect. USB interface, and a built-in MP3 pointer is used to download the music you like to the disk and insert it into the machine, and instantly plug and play.Support 1sets audio input,easy to connect devices.
eBay
Fosi Audio Mono Amplifier Subwoofer Amp 100W With Bass Power Amplifier For Home Passive Speaker M04
Aliexpress UK
is an extremely flexible unit that can be employed in many different situations. You can connect the PowerAmpster to the PreAmp II, and experience the power to drive virtually any speaker in either stereo or mono bridge mode.
eBay
TPA3221 Pure Rear Digital Power Amplifier Board 100W+100W Dual Channel Stereo Audio Amp DC 10-30V for Car Home Speaker Subwoofer
Aliexpress UK
With standard stereo RCA audio input, perfectly compatible with many audio devices such as phone,TV, MP3 players, CD players, DAC, computers etc.. With built-in preamplification circuit, can match well with audio source that with low signal output. Adopting classical TPA3116 IC chip in each channel, class D amplification, the max output power can reach 100W+100W(4Ω load), easily to drive all home bookshelf/ computer/ desktop/floor-standing/outdoor passive speakers. Reasonable circuit, concise wiring layout and perfect protection, no sparks no shock. With ultra-low distortion and dynamic balance, the sound is very smooth and natural, powerful in low frequency and delicate in high frequency. The speaker terminals use a staggered design, which provides more space and makes connection easier.
eBay
TPA3221 Pure Rear Digital Power Amplifier Board 100W+100W Dual Channel Stereo Audio Amp DC 10-30V for Car Home Speaker Subwoofer
Aliexpress UK