FX AUDIO 2 Channel HiFi Amplifier + Tube Preamplifier, TUBE-03 Preamp with 6K4 Tubes and FX502S PRO 2 Channel HiFi 80Wx2 Class D Amplifier HiFi Home Audio for Home Theater System

Price: $105.59
(as of Jun 01,2021 20:11:59 UTC – Details)

TUBE-03 Tube Preamplifier
Features:
1.Bass and treble knob control and volume control
2.6K4 vacuum & valve tube and NE5532 chipset
3.RCA input and output, compatible with RCA audio devices
4.Aluminum alloy casing and metal oxidation drawing material
5.Durable and long-lasting black heavy gold craft
6.Newest inside chips with high performance
7.Compact and portable, easy for carrying around
8.6K4 tube can be replaced by 6J1 and GE5654 tube

TUBE 03 Specifications:
Tube: 6K4
Chipset: NE5532
THD+N Ration: 0.03%
SNR: 100dB
Frequency Response: 20Hz-20kHz
RCA RMS Level: 2Vrms
Interface Input: RCA
Interface Output: RCA
Power Supply DC: 12V 1.5A

80W+80W Home Audio HiFi 2 Channel Full Digital Amplifier
– Aluminum alloy metal oxidation casing
– RCA input and L/R passive speakers
– Drive 80 watts power for each amplifier
– HiFi audio chip TPA3250 + NE5532 op amp chip
– Hollow core inductance for higher sound quality
– Power electronic filter and soft switch control

Technical Specs of FX502S PRO:
Chipset: TPA3250
Power Output: 80W+80w @4Ω, 50W+50W @ 8Ω
Input Interface: RCA
Output Interface: Speaker
Impedance: 4-8Ω
THD: 0.1%
SNR: 90dB
Operated: Button and Front Panel Volume Control

【Features of TUBE 03 Preamp】 The tube preamplifier uses 6K4 tubes that can keep strong musical taste. It has bass, treble and volume control knob, conveniently adjust the volume according to your preference. RCA input connect to smartphone, computers, CD/DVD, MP3, blu-ray players. Output interface connect to this FX502S PRO amplifier and passive speakers, or active speakers
【NE5532 Chip of Preamplifier】 Tube 03 preamplifier adopts NE5532 OP IC. THD+N Ration: 0.03%. SNR: 100dB. Frequency Response: 20Hz-20kHz. RCA RMS Level: 2Vrms. Package includes tube preamp, 2 x 6K4 tubes, power supply, RCA cable, user manual, guarantee card. 6K4 tube can be replaced by 6J1, GE5654, 6AK5, 6J4
【FX502S Pro Amplifier】 Really simple design, RCA in and L/R passive speakers out. High performance audio components with HiFi sound quality. TPA3250 amp chip, OP amp chip NE5532, hollow core inductance, and soft switch control
【80W 2 Channel Amp】 This amplifier features aluminum alloy casing, ERROR LED indicator, MCU STM8 control. We provide RCA cable and DC 24V 4A power adapter, 12-month warranty