Feature

●T4 PRO tube preamp meets more HiFi needs: MM phono input, converts phono signal to line level signal, with low-noise integrated circuits and high-quality components to ensure clear and clean sound. 3.5mm AUX input, amplify the low level audio signal from your phone, tablet, PC, MP3 etc., easier to drive amplifier or active speaker and greatly improve the sound quality.
●Imported JAN5654 tubes and vintage warm sound: default comes with JAN5654 tubes, improves everything associated with your music such as detail, transparency, immediacy, richness, dynamic, tone etc., much better than 6J1 series especially in human voice. Pluggable tube socket for tube rolling and sound-shaping, easy to pick from and alter the sound signature to ones preference.
●3.5mm headphone output and perfect circuit design: T4PRO also with built-in classic headphone amp circuit(2*NE5532), easily to drive 32-300 ohm headphones. Reasonable and advanced architecture, TI TPA5430 for power management, TL071+JRC2068 phono preamp circuit etc., enjoy HiFi analog sound and first-class design with an unbeatable low cost.
●Mini size and excellent performance: all designs full of details, solid aluminum knob, potentiometer for smooth multi-level gain adjustment, grey integrated moulding aluminum alloy shell decorates with special red tube cover and knob, looks vintage and elegant. Compact T4 PRO will give you a different acoustic enjoyment with large dynamic and sweet tube sound even in limited space.


Description

douk audio t4 pro mm phono preamp headphone amplifierdouk audio t4 pro mm phono preamp headphone amplifier

Introduction

Douk Audio T4 PRO can be used as a MM phono preamp, a tube audio preamp and a headphone amplifier, powerful function in mini size, specially designed for various requirements of home/desktop audio system.

Product Highlights

ge5654 vacuum tubege5654 vacuum tube

aux input and headphone outputaux input and headphone output

line outline out

phono inputphono input

Classic JAN5654 Vacuum Tubes

  • Adopts high quality JAN5654 / GE5654 vacuum tubes
  • Classic warm tube sound

Headphone Amplifier

  • With 3.5mm AUX input
  • with built-in classic headphone amp circuit(2*NE5532)
  • Can drive 32-300 ohm headphones

Audio Preamplifier

  • With RCA output
  • Can be connected to active speaker and amplifier

Phono Preamplifier

  • Supports MM phono input
  • Can convert phono signal to line level signal
douk audio t4 prodouk audio t4 pro

packing listpacking list
Packing List
  • 1*T4 PRO Preamp
  • 2*JAN5654 Vacuum Tube
  • 1*DC 12V Power Adapter
  • 1*3.5mm to RCA Cable

Douk Audio T4 PRO

Warm Tips

  • 1. 3.5mm AUX input with priority, please make sure the AUX cable has been pulled out if want to use MM phono input.
  • 2. Stereo RCA and 3.5mm headphone jack can output at the same time, and the knob also controls the volume of two outputs simultaneously.

Parameters

Brand Douk Audio
Model T4 PRO
Audio input MM phono/turntable / 3.5mm AUX
Audio output stereo L/R RCA / 3.5mm headphone jack
Output level 1.5V (input 0.775V)
Max output power for headphone 150mW@32Ω
Matched headphone impedance 32-300Ω
Input sensitivity 0.775V
Frequency response 20Hz-20KHz(±3dB) (AUX IN) / Standard RIAA (phono IN)
S/N ratio ≥105dB
THD 0.2%
Dimensions(W*D*H) 95*117*30mm / 3.74*4.61*1.18in (exclude tubes)
Package dimensions(W*D*H) 255*215*65mm / 10.04*8.46*2.56in
Net weight 330g / 0.73lb
Package weight 600g / 1.32lb
SUC-T4 PRO SUC-T4 PLUS SUC-T3 PLUS DZ075 Nobsound T3 SUC-X1
Douk Audio T4 PRO Douk Audio T4 PLUS Douk Audio T3 PLUS Douk Audio T3 PRO Nobsound T3 Douk Audio X1
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Customer Reviews
4.4 out of 5 stars
220
4.4 out of 5 stars
98
4.1 out of 5 stars
17
4.3 out of 5 stars
148
4.4 out of 5 stars
190
4.1 out of 5 stars
395
Price $65.99 $109.99 — $62.99 $54.99 $149.99
Features Vacuum tube MM phono preamp; Headphone amp Vacuum tube MM/MC phono preamp; Headphone amp; VU meter Vacuum tube MM/MC phono preamp; Headphone amp Vacuum tube MM phono preamp MM phono preamplifier Bluetooth vacuum tube MM phono amplifier; 160Wx2
Nobsound NS-01G PRO Douk Audio M1 Pro DZ072 Douk Audio U2 PRO XZ-L1 XX-VU4.jpg
Nobsound NS-01G PRO Douk Audio M1 PRO Nobsound G2 PRO Douk Audio U2 PRO Douk Audio L1 Douk Audio VU4
See Details
See Details
Customer Reviews
4.3 out of 5 stars
1,923
4.4 out of 5 stars
615
—
4.1 out of 5 stars
116
4.0 out of 5 stars
231
—
Price $33.99 $85.99 — $64.99 $39.99 —
Features 2-CH Bluetooth amplifier; 50Wx2; PC sound card 2-CH Bluetooth amp; U-Disk; Active SUB out; 160Wx2 Subwoofer / Mono channel amp; 300W Digital interface; USB to Toslink optical/coaxial/I2S converter; XMOS XU208 Line level booster; Volume control 4-CH RCA XLR switch; VU meter; Sound level