Schrodinger Audio Confield Technology Limited

Nixie Tube Clock,Digital Clock,Desk Clock,Classic wooden clock,Timepieces, Manufacturer and Supplier - Hong Kong(HK)

Powerful Vacuum Tube Bluetooth Amplifier with 4 inches Speaker unit Bookshelf Loudspeakers

Powerful Vacuum Tube Bluetooth Amplifier with 4 inches Speaker unit Bookshelf Loudspeakers

Business Information

  • Min. Order : 20
  • Certificate : CE,
  • FOB Port : Hong Kong or Shenzhen, China
  • Made In : China(CN)
  • Packaging : Carton Box
  • Supply Capability : 1500pcs/mongh
  • Delivery Time : 25-30days

Product Features

Special Disign
Well Sound Quality
Vacuum Tube Technology Amplifier, not solid state Amplifier
Bluetooth Connection.
AUX and CD Connection.
With Loudspeakers and Headphones Outputs.
Powerful Sound.
High Quality Loudspeaker.


The Schrödinger Audio CFA153B-S3-B-S151A Stereo EL34 Tubes Vacuum Tube Bluetooth Amplifier Hifi System provides the powerful, high quality and guarantee sound performance.


  • Vacuum Tube Hifi with EL34 Tubes, 4 inches speaker unit bookshelf boxes: Provides Powerful and High Quality Hifi Sound Output.


  • Small size design Amplifier: Suitable for small to medium indoor environments.


  • Multi Connection: Both wired AUX, CD, and Bluetooth Wireless connection with CD, MP3, Smartphone, Tablet PC, and similar music and sound devices. Loudspeakers and Headphones output.


  • Blue light power indicator and High Quality Gold plate Audio wire connectors.


  • OEM and ODM Vacuum Tubes Hifi Amplifier manufacturing are welcome.


        Schrödinger Audio foucs on design, development, production and sale of various type of High Quality Consumer Electronics products include Vacuum Tube Amplifier, Vacuum Tube Headphones Amplifier, Bluetooth Speaker, Headphones, Nixie Clock etc.


Product Specifications

For Amplifier:
‧Audio Vacuum Tubes: EL34x2,6n2x1
‧Output Power: 7W + 7W (8Ω) RMS Output
‧Frequency Range: 20Hz ~ 20kHz (-1.5dB)
‧THD: <1% (1kHz)
‧Signal-to-Noise Ratio: 80dB
‧Input Sensitivity: 0.775V (0dB)
‧Input Impedance: 100KΩ
‧Load Impedance: 8Ω (typ)
‧Headphones Plug: 3.5mm
‧Operating Voltage: As Customer Requirement 110 to 240V)
‧Power Dissipation: 45W (typ)
‧Sound Input: AUX, CD, Bluetooth Wireless,
‧Bluetooth Transfer Distance: 10m (Max)
‧Dimension(mm): 223 x 184 x 151
‧Net Weight: 5.6kg (Approximate)

For Speakers
‧Speaker Unit: 4inches full range
‧Input Power: 25w
‧Frequency Range: 77Hz ~ 20KHz
‧Impedance: 8Ω
‧Sensitivity: 85dB
‧Size (per piece): 160x200x250mm
‧Net Weight (per piece): 3.4kgs (Approximate)

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