10 Best Plastic Passive Amplifier for 2025

Nobsound

• This product uses high quality fully-balanced potentiometers, NEUTRIK XLR, Pro-Singnal RCA. Nobsound never be stingy in the components and materials of our products.
• This prodcut has a small size, while is still euipped with commonly-used interfaces. There is a selection switch which you can choose the fully-balanced or single-ended audio signal mode, as well as the output or input mode.
• This prodcut has no amplifying circuit and won't change the timbre. You can enjoy the most original sound of your active monitor speakers.
• Its clean black appearance suits for almost every usage scenarios.
• Please note this is a passive preamp, which means it has no amplifying function.

Loops

• Please note, this is for 2 quality speakers (1 PAIR), multiple quantities can be purchased if required.
• Height 150mm, Width 105mm, Depth 105mm (Per Speaker)
• Construction – Housed in a rugged ABS plastic casing with a subtle, yet durable mesh grille, these speakers will look stylish & discrete in most environments.
• Fitting – There is an adjustable mounting bracket on the back of each speaker allowing you to securely position each speaker where it needs to be.
• Loops OFFICIAL PRODUCT - Accept no imitations

X-AIR

• Utilises passive cooling. Think of the gap under your lounge door, if your lounge is warmer than your hall then you will feel a cool draught.
• High grade Aluminium tubes. Instantly creates more airflow. Simple and easy to set up.
• Suitable for all Amplifiers, Pre-amps, Android TV Boxes, Satellite/Freeview Boxes, Games Consoles etc.
• Can be used to make Audio/Video equipment or Hi-Fi components stackable.
• Looks neat and tidy, even when your devices are different makes and shapes.

HQ

• Provides 3 inputs into 1 socket
• Enables to feed extra devices such as CD, Tuner, TV-sound etc into an amplifier with only one "AUX" input
• Connections via RCA phono sockets

SODIAL(R)

• 100% Brand new and High quality
• Treble and Bass 2 way Frequency Divider, it can be used for home stereo or car stereo.
• High quality components, fine workmanship.
• treble and bass four modes adjustment, full free welding, easy to use, high bass assign more accurate.
• Crossover Frequency: 3800Hz

Labgear

• Ideal for splitting aerial or satellite signals
• Power pass 1 port in both directions
• Operation Frequency 5-2400MHz
• Weather proof case
• Designed for wall or mast mounting

LucidSound

• Amplified headset with rechargeable lithium-ion battery
• 40mm speakers for booming bass, crystal-clear highs, and bass boost
• Memory foam earpads for enhanced comfort and innovative easy to use controls
• Removable boom mic and playback/call controls for use as a mobile headset
• Solid metal construction for added durability
• Works great with PSVR

Fosi Audio

• Adopt STMicro TDA7498E chip to get clear audio sound, No pop, no audible noise, dead silent when nothing is playing through it.
• 160W X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), for outdoor/ bookshelf/ computer/ desktop /ceiling /floor standing speakers, can use iPod, Phone, MP3 players, TV, Echo Dot, CD players, or Streaming Media players as input.
• 2.0CH audio integrated amplifier, aluminum enclosed, small size, good looks, simple functionality, and excellent sound quality.
• Home small Hi-Fi amp, Exclusively designed for the customers who pursue HiFi sound.
• You can return the item if you have any problems, 18-month warranty, feel free to contact us at [email protected].

Skytec

• The SP-15 from DJ industry pioneers, Max, offers superb clarity of bass, medium and high frequencies for all types of music. A passive speaker featuring a powerful 15 inch woofer for fantastic low frequencies, bullet tweeter and midrange horn covering those mids and highs, to produce amazing sound reproduction and high-output. The 3-way full range bass-reflex takes care of all frequency response requirements; powerful 12 inch woofer for those low bass rumbles with clarity from the horn and bulle
• Main features at a glance; Full range 15 inch woofer, bullet tweeter and midrange horn, Large woofer magnet, 2x Jack and 1x Clip terminal, Hollow handles, side embedded, Acoustic carpet covering, Top Hat. Other features and specifications include; Model:3-way Full range Bass reflex, Power max.:1000W, Impedance:8 Ohm, Frequency response:30Hz - 18kHz, SPL 1W/1m:99, Woofer:15 inch, Tweeter:Bullet, Horn:Midrange, Top hat:Yes, Connector:2x Jack / Clip terminal, Dimensions:325 x 465 x 625mm, Weight:11
• The SPL700 has 2 channels boasting 350 watts each and built-in 3-Band equalizer for frequency tweaking, which should not be missing in any home audio installation, small parties and PA set-ups. The amplifier is easily rack mounted and has multiple stereo RCA input connections for Televisions, Computers, Game Consoles, CD and DVD players, Tuners and more. There is a front 3.5mm mini-jack for the connection of MP3 players or similar.
• Main features at a glance; 2x 350W Output Power, 3-band EQ, Blue LED front illumination, Input selector switch, Peak and clip indicator LED, Large frequency response, Rack Mountable (19 Inch), 700 Watts Total Max Power Output, Inputs: 3.5mm Mini Jack (front) 3x Stereo RCA/Phono (rear), Outputs: 2x Screw Terminal Speaker Cable Outputs, Front Panel Moulded Handles, Output power:8 Ohms: 2x 250W, Output power:4 Ohms: 2x 350W
• 2 YEAR WARRANTY INCLUDED. BUY WITH CONFIDENCE.

ELEGOO

• More than 200 components, this is the most complete starter kit. Great value starter kits with 63 kinds of products.
• Has all the products you need for your projects and a free PDF tutorial (more than 30 lessons) to show you how to use them. All code to use the modules is included on the CD
• All the modules come soldered so they are easy to wire up.
• Includes UNO R3 controller board and USB cable. This kit is compatible with Arduino IDE project.
• Kit comes with a package of compartmentalized case with a bonus box for small parts like LED’s, IC’s, buttons, diodes, etc.