Feature

●Passive preamp with no gain: Designed without built-in gain, the passive preamp is suitable for connecting to HiFi PC sound card, DAC and CD players with high output signal, as well as active speakers and pure power amplifiers with high gain themselves.Lossless audio performance: Enjoy pristine audio quality without any coloration or distortion. With the only standard RCA input and output, and a simple volume knob, the design focuses on delivering the purest sound without unnecessary functions.
●Lossless audio performance: Enjoy pristine audio quality without any coloration or distortion. With the only standard RCA input and output, and a simple volume knob, the design focuses on delivering the purest sound without unnecessary functions.
●High-quality ALPS potentiometer: Featuring ALPS A50K dual potentiometer without stepping, the passive preamp allows for smooth and precise volume control, ensuring an optimal listening experience.
●Superior RCA terminals: Equipped with US CMC-816U RCA connectors made of oxygen-free copper and plated with 24K gold, ensures signal clarity and durability, minimizing any loss in audio quality.
●Elegant and portable design: Housed in a CNC-machined full aluminum alloy chassis, the preamp is both stylish and compact, making it easy to integrate into any audio system while enhancing the aesthetic appeal.


Description

class="celwidget pd_rd_w-lhefR pd_rd_r-RRFMZ6WYDQJ4R7JD6NT0 pd_rd_wg-G4waH" data-feature-name="aplus" data-csa-c-type="widget" data-csa-c-content-id="aplus" data-csa-c-slot-id="aplus_feature_div" data-csa-c-asin="" data-csa-c-is-in-initial-active-row="false" data-csa-c-id="6g9r1d-809hhe-g5tbt2-okfvvf" data-cel-widget="aplus_feature_div">

Product description

High Precision Passive Preamp Volume ControllerHigh Precision Passive Preamp Volume Controller

Nobsound VOL-3

High Precision Passive Preamp Volume Controller

Passive Design|ALPS RK27 Potentiometer|Lossless Audio|24K Gold RCA|Full Aluminum Chassis|No Power Needed

Parameters

Brand: Nobsound
Model: VOL-3
Potentiometer: ALPS RK27
Audio input: Stereo RCA
Audio output: Stereo RCA
Power required: No
Color: Black
Dimensions (W*D*H): 94 × 52 × 43mm / 3.70 × 2.05 × 1.69in
Package dimensions (W*D*H): 180 × 88 × 70mm / 7.09 × 3.46 × 2.76in
Net weight: 224g / 0.49lb
Package weight: 300g / 0.66lb
  • Passive preamps do not amplify the signal, ideal for sources like DACs or CD players with high output. They minimize sound coloration since no powered components are involved, ensuring pure audio reproduction.

  • No, this passive preamp requires no external power source. It operates entirely passively, providing clean audio control without additional electricity or power cords.

  • Using high-quality RCA cables with effective shielding is essential. Poor quality cables may cause noise or interference due to the preamp’s passive nature and sensitivity to signal quality.

  • No, this preamp has no amplification or gain. It only manages and attenuates the existing audio signal level, ensuring the purest possible sound from source to speaker.

  • Yes, it’s specifically suitable for active speakers and power amplifiers that already provide adequate gain, allowing clean and precise volume control without unnecessary amplification.


From the brand