Heareal L5 Tube Preamplifier Bluetooth Receiver Headphone Amp DAC with Treble and Bass Knobs

Heareal L5 Tube Preamplifier Bluetooth Receiver Headphone Amp DAC with Treble and Bass Knobs

Features:
- Tube preamplifier and Bluetooth receiver in one
- Warm tone: electronic tubes eliminate the burr in the sound, improves the sense of hearing, makes the sound quality soft and moist; the high-frequency sound is bright but not sharp, the intermediate-frequency sound is clean and transparent, and the low-frequency sound is elastic and powerful
- Bluetooth 5.0 chip ensures stable and smooth transmission
- Support input via Bluetooth and AUX; prioritize Bluetooth input; dual inputs are automatically controlled by relay
- Treble and bass controlled independently to meet your various needs
- Bluetooth receiver chip and independent ES9018 decoder chip improve separation and clarity, making the sense of hearing better
- 2pcs 6J5 audiophile tubes can be replaced by 6j1/6k4/5654
- Premium components, including ES9018 decoder chip, preamp audio circuit, Bluetooth 5.0 chip, relay for Omron, and dual 5532 op amp IC, ensure quality
- Chip management and high-end power supply: CCC/UL/FCC certification ensure quality. Anti-shock surge and 90-264V wide design; stable output and abundant kinetic energy. Multiple protections including over-current protection, power protection, over- temperature protection, magnetic field protection, electrostatic protection, low-voltage protection, short-circuit protection and over-voltage protection

Specifications:
- Control mode: slide switch + knob
- Input voltage: DC12V
- Input Port: Bluetooth 5.0+ Dual RCA interfaces
- Output port: Dual RCA +3.5mm dual-channel headphone jack
- Tube: 6j5 (Can by replaced by 6j1/6k4/5654)
- Op amp chip: dual 5532 (Due to op amp seat, they can be unplugged and replaced by yourself)
- Distortion: ≤0.1%
- Signal-to-noise ratio: ≥98db
- Frequency response range: 20Hz-20kHz (±3db)
- Treble adjustment range: ±6db
- Bass adjustment range: ±10db
- Net weight: 0.35KG/0.8LB
- Dimensions: 98 x 150 x 33mm/3.9 x 5.9 x 1.3"

Package Included:
- 1 x Main Unit
- 2 x Tubes
- 1 x Antenna