Reecho SG03 1DD Titanium plating composite diaphragm

General Information

Reecho SG-03 Dynamic Driver In-ear Earphone HiFi DJ Sport Music Headset With 2Pin 0.78mm Detachable Cable

Specification
Brand Name:Reecho
Product name: in-ear dynamic earphone
Model: SG-03
Drive unit: 10mm N50 high rigidity titanium plating composite diaphragm
Frequency response range: 20Hz~ 40kHz
Impedance: 16ohm
Sensitivity: 106dB (±2.5dB) /1mW at 1kHz
Distortion: THD <2% (at 1kHz/1mW)
Ear string length: 1.2m, ± 0.1m
Wire core material and weaving method: 4 strands of high purity oxygen free copper
Audio interface: 3.5mm gold-plated plug

Description:
All metal HiFi earphone with private mold wearing experience
Human ear measurement database intelligent synthetic cavity model
N50 high rigidity composite titanium plated diaphragm
High purity 4N oxygen-free copper braided wire

Hearing aid data technology application, through the analysis of human ear wearing data to achieve all-metal private model wearing experience

Cooperating with world-famous hearing aid companies, Reecho jointly opened the analysis of human ear measurement data. Using the concept of mild customisation, Reecho established a unified standard model through the intelligent synthesis of tens of thousands of pairs of ear prints database, and designed the system-cavity to fit closely with the ear. In the protection of sound insulation effect at the same time, wear firm, comfortable and natural, ergonomic.

The aeronautical grade aluminium alloy cavity five-axis CNC fine carving grinding, the process is used in aerospace, military, scientific research, medical and other advanced technical fields

The aeronautic-grade aluminium alloy material is selected, and the five-axis CNC fine engraving machine takes 120 minutes of fine punching and wear-resisting, so that the earphone cavity reaches the complex shape of all-metal private mold.

Bright new "sound", listen to the extraordinary, the new research and development of flagship high rigid titanium plating diaphragm

A number of acoustic technology upgrades to create a special dynamic unit, high rigidity titanium plated diaphragm, N50 NdFeB magnets, thickened brass ring, etc. The frequency response range from 20Hz to 40kHz has a high resolution of the low frequency, soft vocal, balanced diversity.

Balanced acoustic technology, comfortable to listen to long time not tired

Based on the acoustic data of the loudspeaker, the front and rear sound cavity of the earphone housing is designed by the balanced acoustic technology, and then the sound field shape, the proportion of three frequencies and the size of the image are calibrated.

Japanese authoritative Hi-Res certification

Hi-Res Audio is a high quality Audio product design standard proposed and defined by Sony and developed by JAS (Japan Audio Association) and CEA (Consumer Electronics Association). The purpose of Hi-Res audio is to show the ultimate quality of music and the original sound reproduction, to get a true feeling of the original singer or performer in the live performance of the immediate atmosphere.

Imported high purity oxygen free copper upgrade line professional grade HIFI wire

It is made of 4 strands of 25 cores of high purity 4N oxygen-free copper, which ensures high resolution transmission of sound signals and no hiding of music details.

More impossible

2pin 0.78mm detachable technology design, provide more playability.

Latest reviews

eagleowl

New Head-Fier
Value Performance Ratio All Rounder 1DD at affordable price.
Pros: Good fast and prominent bass response [adequate sub / mid bass and do not bleed].
Clean clear mids vocal for female / male [even for audiophile album].
Treble high are sweet and clear for instruments, synthesizer, string, wind, chime and cymbal.
Cons: Some will say slight metallic timbre for Titanium plating composite diaphragm as compared.
May be slight sibilance for treble high sensitive ears on transparent source at loud volume.
Accessories provided minimum - only 3 pairs of silicon eartips, decent black stock cable and IEM.
Disclaimer - I bought this set of IEM out of my own pocket money, and all impression is entirely based on my own listening and understanding.

Unboxing and Presentation

Ordered this set from Lazada with a good discount from usual MSRP, bonus - more value over performance for a start.

Packaging is minimum and similar to its little bro SG01 [advantage - 9 pairs of silicon tips of relatively good quality]

The package comes with a cloth zipper pouch, black stock cable in 0.78mm 2 pin ended 3.5mm SE, 3 sets of black silicon tips in S, M & L sizes.

Specification
Brand Name:Reecho
Product name: in-ear dynamic earphone
Model: SG-03
Drive unit: 10mm N50 high rigidity titanium plating composite diaphragm
Frequency response range: 20Hz~ 40kHz
Impedance: 16ohm
Sensitivity: 106dB (±2.5dB) /1mW at 1kHz
Distortion: THD <2% (at 1kHz/1mW)
Ear string length: 1.2m, ± 0.1m
Wire core material and weaving method: 4 strands of high purity oxygen free copper
Audio interface: 3.5mm gold-plated plug

Source
iMac Apple Music - Toppings D10s DAC - Toppings L30 Amp [32 bits/384kHz]
iMac Apple Music - Toppings DX3PRO DAC - XDuoo TA05 Tube Amp [32bits/768kHz]
Samsung Mobile Note 8 - 3.5mm jack out and OPPO Mobile Find X3Pro - Samsung Dongle
Fiio M9 DAP and Sony A55 DAP

Music Tracks
Dire Straits - Tunnel of Love
Billie Ellish - Happier Than Ever
Aha - Hunting High and Low
Camomile - Fields of Gold
Chicago - You are the Inspiration
Depeche Mode - Strange Love
Eagles - Hotel California
Ed Sheeran - I Don't Care
Fleetwood Mac - Big Love
Glass Tiger - Thin Red Line

Sound

Tonality - Bright mild V shaped good bass, clear clean mids and good high treble extension.

Bass - Fast and tight sub and mid bass adequate quantity and quality even for Basshead delight.

Mids - Male and Female vocals are surprisingly good on this set, clean clear and forward sounding. No bleeding is the important point here.

Treble - Extend very well and treble details are very clear and clean on the synthesizer, wind, chime, string and cymbal instruments.

Soundstage - Moderate Wide and spacious sounding, width, depth and height is adequate enough, not the most widest soundstage pair i heard though.

Comparison

Against HZ Sound Heart Mirror and Tinhifi T2 plus - tonality and timbre is more natural sounding for HM and T2+ drivers, a very strong contender for this price point/performance/value. However i prefer the fast and clean clear transient response from this SG03 titanium plated composite diaphragm for fast bassy complex instruments tracks.

Against Reecho SG01- Reecho SG03 has the added boosted bass response which will satisfy most Basshead and bass lovers.

Conclusion

The Reecho SG03 is budget, good value over performance set, for all rounder sound, good bass, clean clear mids and good treble high extension.

Overall sound impression is impressive, well built metal alloy shell, good fit and isolation. Definite good set for consideration.
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