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Topping A50 III NFCA Headphone amp Pre-Amplifier - SE/BAL Input 6.35mm Single-dended 4.4mm Balanced Jack 3500mW x2 Powerful Output

�High-performance NFCA modules】The A50 III employs the same NFCA module as the A50s. Voltage Current hybrid feedback architecture along with UHGF technology delivers exceptional DC and AC performance. The amp s high output current capabilities... more

ISA428 MkII 4-channel Microphone Preamplifier

Focusrite ISA428 MkII 4-channel Microphone Preamplifier more

ckepdyeh 4-Band EQ Equalizer Piezo for EQ-7545R Pre-Amp Acoustic Guitar Preamp Amplifier Tuner

Connecting wire with 2.5mm plug included. Presence Control: +/- 12dB at 8KHz Bass Control: +/- 12dB at 600Hz Middle Control: +/- 12dB at 600Hz Treble Control: +/- 12dB at 2.2KHz Frequency Response: 20Hz - 20KHz Power: 9V alkaline battery (Not included)... more

Tube Damper Rings For Dual Triode Preamp Tubes And EL84 Power Tubes. Set Of 4.

made from special soft durometer hi-temp silicone These will reduce or eliminate tube rattle in most all combo amps For all 12AX7 12AT7 12AU7 12BH7 Pre’s and EL84 power tubes Largest and most effective vacuum tube dampers made more

Topping A90 Discrete Fully Discrete Balanced Headphone Amplifier HiFi NFCA 4Pin XLR/4.4MM Balanced/6.35MM SE Out 9800mWx2 Desktop Headphone Amp Preamp with Remote Control (Black)

Product Description Topping A90 Discrete Headphone Amplifier & Preamp for Various Audio Players. 🆗A90 discrete is a high performance desktop headphone amplifier that supports unbalanced and balanced inputs and outputs. 🆗It is equipped with 2 gain... more

Tube Damper Rings For Dual Triode Preamp Tubes And EL84 Power Tubes. Set Of 4.

made from special soft durometer hi-temp silicone These will reduce or eliminate tube rattle in most all combo amps For all 12AX7 12AT7 12AU7 12BH7 Pre’s and EL84 power tubes Largest and most effective vacuum tube dampers made more

Tube Damper Rings For Dual Triode Preamp Tubes And EL84 Power Tubes. Set Of 4.

made from special soft durometer hi-temp silicone These will reduce or eliminate tube rattle in most all combo amps For all 12AX7 12AT7 12AU7 12BH7 Pre’s and EL84 power tubes Largest and most effective vacuum tube dampers made more

Tube Damper Rings For Dual Triode Preamp Tubes And EL84 Power Tubes. Set Of 4.

made from special soft durometer hi-temp silicone These will reduce or eliminate tube rattle in most all combo amps For all 12AX7 12AT7 12AU7 12BH7 Pre’s and EL84 power tubes Largest and most effective vacuum tube dampers made more

Onerbl AC/DC Adapter for Art HeadAmp 4 HeadAmp4 Stereo Headphone Amplifier Amp Verifone Omni 7000MPD M077-051-00 POS Ampeg SCR-DI SCRDI Bass DI Preamp with Scrambler Overdrive Power Charger

Onerbl AC/DC Adapter for Art HeadAmp 4 HeadAmp4 Stereo Headphone Amplifier Amp Verifone Omni 7000MPD M077-051-00 POS Ampeg SCR-DI SCRDI Bass DI Preamp with Scrambler Overdrive Power Charger Onerbl AC adapters are manufactured with the highest quality... more

12V AC/DC Adapter for Art HeadAmp 4 HeadAmp4 Stereo Headphone Amplifier Amp Verifone Omni 7000MPD M077-051-00 POS CPS11212D-18-R Ampeg SCR-DI SCRDI Bass DI Preamp Scrambler Overdrive Power

12V AC/DC Adapter for Art HeadAmp 4 HeadAmp4 Stereo Headphone Amplifier Amp Verifone Omni 7000MPD M077-051-00 POS CPS11212D-18-R Ampeg SCR-DI SCRDI Bass DI Preamp Scrambler Overdrive Power Kircuit Adapter/Charger/Power/Cord specially designed and... more

2X 4-Band EQ Equalizer Piezo for EQ-7545R Pre-Amp Acoustic Guitar Preamp Amplifier Tuner

Connecting wire with 2.5mm plug included. Presence Control: +/- 12dB at 8KHz Bass Control: +/- 12dB at 600Hz Middle Control: +/- 12dB at 600Hz Treble Control: +/- 12dB at 2.2KHz Frequency Response: 20Hz - 20KHz Power: 9V alkaline battery (Not included)... more

GoolRC Pickup Pre-amp Preamp Amplifier Eq-7545r Pre-amp Preamp Eq Equalizer Pickup 4-band Amplifier Tuner Equalizer Pickup Eq-7545r Dsfen Preamplifier PreamplifierBuzhi

Features: 4-band equalizer push bass/middle/treble to adjust frequency. Phrase and volume control. LED for battery check replace battery when Batt lights. Powered by a 9V battery (not included). Specifications: Package size: 22 * 14 * 5.5cm / 8.7 * 5.5... more

Lake People F311-Q 4-Channel Microphone Preamplifier

The F-SERIES from Lake People covers absolutely high-level audio products with outstanding features best technical data and perfect craftsmanship. MIC-AMP F311-Q is a four-channel ultra-low noise microphone preamplifier with excellent audio performance... more

Tube Damper Rings For Dual Triode Preamp Tubes And EL84 Power Tubes. Set Of 4.

made from special soft durometer hi-temp silicone These will reduce or eliminate tube rattle in most all combo amps For all 12AX7 12AT7 12AU7 12BH7 Pre’s and EL84 power tubes Largest and most effective vacuum tube dampers made more

Spirastell Pickup Pre-amp Preamp Amplifier Equalizer Pickup Eq-7545r Eq Equalizer Preamp Amplifier Tuner Pickup Eq-7545r Pre-amp Eq-7545r Pre-amp Preamp Pickup Lcd Tuner Rookin Pickup Tuner 4-band

4-Band EQ Equalizer Piezo Pickup EQ-7545R Pre-Amp Acoustic Guitar Preamp Amplifier Tuner Powered by a 9V battery (not included). LED for battery check replace battery when Batt lights. Phrase and control. 4-band equalizer push bass/middle/treble to... more

3 Channels Pre Amplifier Module Toning Board for Audio XH2.54 3P Socket

1.100% brand new and high quality. 2.Small body and stable performance. 3.The PCB is a powerless dimming plate the principle is that the audio signal is filtered directly through the blocking element to achieve the desired high and low sound. 4.Its... more

Diymore 3-6V 20*15 Mini Board TDA1308 Headphone Amplifier Audio Module Headphone Amplifier Board Headset Amp Preamplifier Board Module

Features: 1. The board adopts imported original TDA1308 earphone amplifier special chip 2. Ultra-small modular design two sizes are available 3. Suitable for battery powered use 4. Using high-quality materials the quality is guaranteed 5. High... more

ammoon Multi-effects Guitar Headphone Amplifier Rechargeable Pocket Headphone Guitar Amp with 3.5mm Jack 10 Preamp Chorus Phaser Reverb Delay Tuner for Personal Practice

The mini amplifier has multi-effects high-quality mobile phone recording wireless music playback bypass mode adjustable volume and other functions in one. Specifications: Material: ABS Color: Gold Input: Standard 1/4-inch interface mono/TS Output:... more

BA3884F BBE Tone Preamplifier Board Sound Effect Exciter Improve Treble Bass Amp

Features: 1. Using high-quality materials the quality is guaranteed 2. Can adjust treble bass 3. This product can improve the clarity of high and low bass and enhance the dynamic effect 4. Built-in miniature potentiometer adjustment suitable for... more

BA3884F BBE Tone Preamplifier Board Sound Effect Exciter Improve Treble Bass Amp

Features: 1. Using high-quality materials the quality is guaranteed 2. Can adjust treble bass 3. This product can improve the clarity of high and low bass and enhance the dynamic effect 4. Built-in miniature potentiometer adjustment suitable for... more

Guitar Amplifiers Preamp Acoustic Equalizer Pickup

Description Are you looking to improve the sound of your acoustic guitar? Then you d better don t miss this 4 band equalizer set! This multi-functional 4 band equalizer set is equipped with volume bass middle treble brill control knobs which will... more

Diymore MAX4410 DC3V-12V Headphone Amplifier Board Headset Amplifier Dual Channel Miniature Amp for Pre-amplifier Replace NE5532

Features: 1. Using high-quality materials the quality is guaranteed 2. MAX4410 is a high-fidelity headphone amplifier chip with low distortion low voltage and low power consumption 3. Suitable for single-cell battery power supply 4..It can not only be... more

Headphone Amplifier Board MAX4410 Mini Amp Power Amplifier Preamp R/ NE5532

Product Feature: 1. Using high-quality materials the quality is guaranteed 2.MAX4410 is a high-fidelity headphone amplifier chip with low distortion low voltage and low power consumption 3. Suitable for single-cell battery power supply 4.. It can not... more

Diymore NJM2150 BBE Tone Preamplifier Board Sound Effect Exciter Improve Treble Bass Amp For Audio Home Theater Amplifier Board DIY

Features: 1. Using high-quality materials the quality is guaranteed 2. Use NJM2150BBE audio processing chip 3. Small size design ready to use when power on 4. Effectively improve the clarity of the high and low frequencies of the audio signal 5. The... more

Diymore LM4881 Headphone Amplifier Board Headphone Amplifier Module Can Be Used As Power Amplifier Pre-amplifier

Features: 1. Using high-quality materials the quality is guaranteed 2. Using high-quality LM4881 headphone amplifier chip design 3. Small size easy to use 4. The product can also be used as the front stage of the power amplifier board 5. Wide range of... more

Shinysix Pickup Preamp Amplifier Tuner EQ-7545R Equalizer EQ Equalizer Pickup EQ-7545R Pre-Amp Preamp Amplifier preamplifier Tuner Pickup Pre-Amp Preamp Amplifier Pickup EQ-7545R Pre-Amp

4-Band EQ Equalizer Piezo Pickup EQ-7545R Pre-Amp Acoustic Guitar Preamp Amplifier Tuner: Powered by a 9V battery (not included).LED for battery check replace battery when Batt lights.4-band equalizer push bass/middle/treble to adjust frequency.Phrase... more

4X NE5532 Tone Board Preamp Pre-Amp with Treble Bass Volume Adjustment Pre-Amplifier Tone Controller for Amplifier Board

Input voltage: DC12-24V Number of channels: two channels Chip:Two NE5532 size:96 x 39 x 16 MM colour: blue Material: Metal + pc Package Contents: 4 x XH-A901 NE5532 Tone Board 4 x 3P Audio cable Only the above package content other products are not... more

2pcs 6J1P 6AK5 Valve Vacuum Tube For PreAmplifier Board Headphone Amplifier

Features 1. 100% brand and new never been used 2. HF pentode tube 6J1P-EV 3. 6J1P-EV equivalent EF95 6F32 6AK5. The first grid is wound with wire made of an alloy of gold and platinum. Grid lifting is copper. 4. The tube gives a very clean warm and... more

2pcs 6J1P 6AK5 Valve Vacuum Tube For PreAmplifier Board Headphone Amplifier

Features 1. 100% brand and new never been used 2. HF pentode tube 6J1P-EV 3. 6J1P-EV equivalent EF95 6F32 6AK5. The first grid is wound with wire made of an alloy of gold and platinum. Grid lifting is copper. 4. The tube gives a very clean warm and... more

6J2 Valve Vacuum Tube Replace 6J1 for PreAmplifier Board Headphone Amplifier

Specifications 1.Model: 6J1P-EV 2. Size: 15x15x45(mm) 3. Filament Voltage: 6.3V; Current: 0.17A 4. Screen Voltage: 120V; Current: 7.35mA 5. The Second Gate Voltage: 120V; Current: 3.2mA 6. Trans-conductance: 5.2mA / V Package Included： 1 x 6J2 Vacuum... more

2 Channel Tone Board NE5532 Treble Bass Adjustment Pre-Amplifier Tone Controller DC12V-24V XH-A901

Item Type: Tone Board Power Supply Voltage: DC12V-24V Number of Channels: 2 channels Size: Approx. 96 x 39 x 14mm / 3.8 x 1.5 x 0.6in Installation Hole Distance: Approx. 86.7 x 29.7mm / 3.4 x 1.2in Net Weight: Approx. 60g / 2.1oz more

4X NE5532 Dual OP Amp Front Audio Amplifier Tube Preamp Treble Mid Bass Tone Control Dual- Attenuated Volume

Style: Tabletop Transducer: Dynamic Microphone Use: colour:Black Material:Metal size:88 x 52 x 38mm Package Contents: 4 x Front Audio Amplifier Only the above package content other products are not included. Note: Light reflection and different... more

4X NE5532 Dual OP Amp Front Audio Amplifier Tube Preamp Treble Mid Bass Tone Control Dual- Attenuated Volume

Style: Tabletop Transducer: Dynamic Microphone Use: colour:Black Material:Metal size:88 x 52 x 38mm Package Contents: 4 x Front Audio Amplifier Only the above package content other products are not included. Note: Light reflection and different... more

Bhxteng Pre-Amplifier Vinyl Phono Cell Phone Amplifier Electronic Volume Control

Features: 1. Appearance design: ultra-compact phono preamplifier metal shell super texture portable and durable and will not feel abrupt in the home decoration. 2. Connection: 2 x RCA (left and right) input 2 x RCA (left and right) output 1 x 1/4 TRS... more

2*30W HIFI Audio Bluetooth 5.0 Digital Power Amplifier Module w/ 6J1 Tube Preamp

Product parameters: Adapter power supply: DC12V; 3A Audio input: AUX+Bluetooth Input sensitivity: 800mV Adapted speakers: 4-8Ω; 5-50W Power output: MAX 30W*2 @4Ω Frequency response range: 20Hz-20KHz Bare machine size: 107*80*40mm (height does not... more

Tube Preamp Vacuum Electron Tube Valve Preamp Phono Preamp For Turntable

Features -Color:As Shown -Material:PCB ABS glass -Size:11.00X7.50X3.20cm/4.32X2.95X1.26in -Size:5.00X1.50X1.50cm/1.97X0.59X0.59in Input: DC 12-16V 1A -This tube preamp utilizes tubes to produce a pure and clean sound that is free from distortion and... more

2*30W HIFI Audio Bluetooth 5.0 Digital Power Amplifier Module w/ 6J1 Tube Preamp

Product parameters: Adapter power supply: DC12V; 3A Audio input: AUX+Bluetooth Input sensitivity: 800mV Adapted speakers: 4-8Ω; 5-50W Power output: MAX 30W*2 @4Ω Frequency response range: 20Hz-20KHz Bare machine size: 107*80*40mm (height does not... more

Audio Amplifier Board Hifi Digital Reverb Power Amplifier 250W X 2 2.0 Audio Preamp Rear Amplification With Tone Control E3-004

Color: green material: metal harmonic distortion: less than 0.02% Frequency response: 10HZ-20HZ Signal to noise ratio: 90db Weight : 473g Power amplifier tube model: 2sk385 Size : 15.8 x16.7 x 4.2 cm Using high-power output tube to do after-level drive... more