(S1, socket is AC 220V input). forLIN Left channel signal input. RIN Right channel signal input. forRCA Lotus stereo input. 1 Equalizer board. Color: Blue. Size: As shown. Material: ABS.
eBay
KT88-Z KT88 Vacuum Tube Lamp Repalce Psvane Golden Voice EH JJ KT88 KT88-T Audio Tube Valve Amplifier Accessories
Aliexpress UK
・Many sound sources such as HIFI PC sound cards DACs and CD players have high output of signals. Passive preamplifiers are ideal for maximizing sound rendering because there is no powertressa. ・There is a gain for example the output remains 1V when input 1V.
eBay
A49T Dynamic Microphone Condenser Mic Amplifier M-20 Audio 48V Phantom Power Charging Black for Live Sound Card Speaker C
Aliexpress UK
Item Type: Small Stereo Audio Preamplifier. 1 x Small Stereo Audio Preamplifier. There are a total of three output ports, and the mixed output port can directly drive the headphones to listen. MANY COMPATIBLE DEVICES: The 3.5mm interface of the amplifier can be used with electret and ordinary condenser microphones, and the 6.5mm interface is a dynamic microphone, which can amplify wired and wireless microphones.
eBay
DN4100 Professional 4 Channel Audio Power Amplifier 4x1000W 8OHM DJ Subwoofer Amplifier 4x1800W 8OHM Line Array Speaker Amp
Aliexpress UK
The board features low noise and attractive component layout, making it forideal for DIY enthusiasts. The components are carefully, using the cost-effective 4558 op amp instead of the 5532. The circuit board layout is well-designed.
eBay
Bluetooth 6.0 Wireless Receiver SBC AAC Hi-Fi 3.5mm AUX Jack 2RCA RCA Audio Music Adapter For PC Car Kit Speaker Amplifier
Aliexpress UK
Model: AD828. Item Type: Preamplifier Board. SMD Technology: Manufactured by SMD technology, the power input adds a rectifier bridge, which can be used for both AC and DC. Feature: 1. If you do not receive our reply within 48 hours, pls.
eBay
Bluetooth-Compatible 12V/220-240V Home Power Amplifier Wireless Power Amplifier Stereo Audio Amplifier for Home Theater Speaker
Aliexpress UK
PROZOR Phono Preamp - Preamplifier with Volume Control Stereo M/M Turntable Amplifier RCA Input & RCA 3.5mm Output Pre AMP Phono Preamplifier for Turntable with 12V 1A Power Adapter for Record Player
eBay
HA800 Headphone amplifier 8 Channel Ultra-Compact Stereo Audio Amplifier Earphone Amplifier for Music Mixer Recording
Aliexpress UK
Outputs are 3.5mm or RCA jacks. This is a stereo switch box with lossless signal, solid aluminum alloy shell with strong interference resistance. SMALL AND PORTABLE: Mini stereo audio preamplifier possess small size, easy to carry and use.
eBay
AK-170 Mini HiFi Audio Amplifier 200W+200W 2-CH Power Amp with RCA Input
Aliexpress UK
Instant HiFi Sound Upgrade: E6 preamp instantly transforms flat digital sound by infusing it with signature tube warmth and rich dynamic range. Seamlessly connects to your stereo power amplifier or active speakers, effortlessly upgrading your audio system to true HiFi sound quality. Unleash Warm and Sweet Sound: Featuring a 105V high-voltage circuit, the E6 fully optimizes tube performance, delivering a warm and sweet tonal character with minimal distortion. This results in a smooth, natural sound that fills the room with vivid, lifelike music.
eBay
2000W 220-240V Digital Power Amplifier Audio Karaoke Home Theater Music Center Bluetooth Remote Control FM Microphone Support
Aliexpress UK