Little Bear B4 Portable Vacuum & Valve Tube Headphone Amplifier HiFi for Phone
Performance parameters: Frequency response range: 0-100K-0.1dB Gold-plated input / output socket NE5532 OP chip (you can upgrade it to a other better brand OP chip. Like BB or…
Little Bear B4 Portable Vacuum&Valve Tube Headphone Amplifier Stereo Hi-Fi Amp built-in battery
Performance parameters: Frequency response range: 0-100K-0.1dB Gold-plated input / output socket NE5532 OP chip (you can upgrade it to a other better brand OP chip. Like BB or…
Little Bear Vacumn Tube Mini Phono Stage RIAA MM Phonograph Preamp & HiFi Tube Pre-Amplifier (Silver)
Why us? This is a new multi-function Preamp designed by Douk Audio and Little Bear. Whether to be used as a MM Phonograph Preamp or a HiFi Tube…
Little Bear T7 Tube Phono Stage RIAA MM Turntable Pre-Amplifier &HiFi AUX Preamp
Parameters: ①RIAA phono part: RIAA freq response 20hz-20kHz +/- 0.5dB, S / N ratio> 85dBSale Price:$49.00Read More[amazon-product-reviews]
Nobsound® Little Bear P-1 Class A 12AU7 Tube Multi-Hybrid Headphone Amplifier Pre Amplifier
Technical specification: Input Power: DC24V 900mA Input Sensitivity:50mV Input Impedance: 100KOhm Output Impedance:12~600 Ohm Dynamic range: 84.6dBA((300 ohm) 89.8dBA(33 ohm) Gain:20dB Frequency response:10Hz-60KHz +/- 0.25dB MinimumSale Price:$60.00Read More[amazon-product-reviews]
Little bear P2-1 BLACK color HiFi valve tube headphone amplifier amp preamp
Quick guide: First: I must tell you that. how is this headphone amplifier design. Actually it’s tube buffer + amplifier work model.both function is alone, the music input…
Little bear P5-1 BLUE tube valve puffer Preamp Preamplifier amplifier ver1.2
TIPS:when you got the package. you need assemble the preamp board into blue box by youself. it’s easy. then you can use it. (the list picture is assembled….
Little bear P5-1 CLEAR 6J1 tube valve puffer Preamp Preamplifier amplifier ver1.2
TIPS:when you got the package. you need assemble the preamp board into blue box by youself. it’s easy. then you can use it. (the list picture is assembled….
Nobsound® Little Bear P8 SEPP Pure valve Tube Headphone Power Amplifier Pre-AMP metal Stereo HIFI audio Preamplifier Aluminum chassis
Technical Parameters: 1) input terminal: a group of RCA 2) the output terminal: A: RCA output.work as preamplifier . B: a 6.35 earphone socket. 3) frequency response: 12HZ—100KHZ…
Little Bear B3 Portable 5899 Tube Headphone Amplifier Mini HiFi Rechargeable amp
Focus function: 1, Powered by USB or Battery, you can use the headphone and charging battery at same time. (When you goes outside. Use the power bank to…