PREMIUM
COLLABORATION
Developed through a collaboration of three renowned Indonesian audio brands: Seruniaudio, Avara Customs, and Verus Audio, combining years of expertise in microphones, in-ear monitors, and high-performance audio cabling.
Seruniaudio is a leading microphone manufacturer based in Yogyakarta, Indonesia, established in 2015. They specialize in a range of sound reinforcement solutions.
Verus Audio is an innovative cable manufacturer established in 2015, commenced its journey by crafting bespoke cables for car audio, home audio, and portable audio.
Avara Custom Indonesia is the first and only manufacturer of Custom In Ear Monitors in Indonesia. Established in 2017, its products have been used by many top Indonesian musicians.
TRUE-TO-LIFE
SOUND EXPERIENCE
Equipped with ultra-high sensitivity microphone capsules on each channel, BIEM captures immersive 360° soundscapes, replicating how human ears perceive the environment. Unlike traditional stereo recording, this technology places the listener at the heart of the sound, creating a lifelike and spatial audio experience.
UNOBTRUSIVE
PRECISION AUDIO MONITORING ANYWHERE
No need for separate mics and monitors. Seamlessly record immersive 360° sound while hearing it in real-time. The in-ear monitor system features a hybrid driver setup, a single dynamic driver with improved quality and less driver flex problem, and a single-precision Balanced Armature Driver per channel with true crossover circuitry, delivering rich, detailed sound reproduction, all in a comfortable, ergonomic open vent shells design that fits naturally in the ears.
CUSTOM-CRAFTED
AUDIO CABLE DESIGN
Made for uncompromising clarity and immersion namely Magni C4. Its 4-braid Litz coaxial architecture uses ultra-pure OFC copper with a 28.7 AWG core and a 26.1 AWG shield for superior signal integrity and noise rejection. Outfitted with Verus bespoke components—including precision soldering, a custom Y-split, IEM connectors, and dual 3.5mm gold-plated brass plugs—Magni C4 blends technical refinement with flexible durability for the ultimate listening experience.
NEW DIMENSION
OF SOUND
Binaural recording captures audio the way we naturally hear it—spatial, directional, and immersive. Unlike standard stereo, it creates a true 3D sound experience through headphones. BIEM empowers creators to record the world with stunning realism and creative freedom in a compact, wearable form. Ideal for recording live music concerts, podcasts, vlogs, ASMR, Foley effects, field recordings, video conferencing, and more, transporting listeners into the captured environment.
TECHNICAL
SPECIFICATION
In Ear Monitor
Configuration
Frequency
Sensitivity
Impedance
Total Harmonic Distortion
Noise Isolation
Shell type
: Dual driver (1 DD & 1 BA)
: 20 - 20.000 Hz
: 112 dB SPL @1 kHx, 1 mW
: 12 Ohm @1 kHz
: ≤ 0.1 % @ 1kHz, 1mW
: - 25 dB (Universal fitting)
: Open vent shells design
IEM Frequency Response Diagram
Measured with GRAS RA0401 Coupler - GRAS 26AC-1-Rohde & Schwarz UPP and Complier with IEC 60318-4 and ITU-T Rec p.57 (08/96)
Microphone
Transducer Type
Sensitivity
Polar Pattern
Frequency Response
Impedance
Phase
Max. SPL
Signal to Noise Ratio
Power Requirement
Curent Consumption
Capsule Diameter
: Ultra-high Sensitivity ECM
: -29 dB ± 3 dB at 1 kHz
: Stereo / HRTF
: 20 - 20.000 Hz
: 2.3 kΩ ± 30% at 1 kHz
: 5° ± 10° at 30 Hz
: 120 dB
: 75 dB at 1 kHz
: Plugin power 3.3 volt
: 400 µA Max
: 5.8 mm
Microphone Frequency Response Diagram
Cable
Cable Name
Cable Type
Core Gauge
Shield Gauge
I/O Connector
IEM Connector
Cable Length
Splitter
Insulation type
: Magni C4
: Bespoke OFC Copper Litz Coaxial Design 4 Braid
: 28.7 AWG
: 26.1 AWG
: Verus Customized Dual 3.5mm Gold Plated Brass
: Verus Customized IEM Connector
: 120 cm
: Verus Customized Y Split
: Flexible Insulation
VIDEO SAMPLE
