EarAcoustic Audio SPA-Limited Edition HiFi Earphones

Difference in Sound between SPA Hi End and SPA Pro Series

1.
The SPA Hi End series has a stronger atmosphere, higher durability, and outstanding compatibility with music styles.
SPA-Hi End,SPA-Hi End Ultra,SPA-Hi End MAX,SPA-Limited Edition

Hi End suffix: Low impedance, high sensitivity, easy to drive, beautiful sound, rich atmosphere, and full emotions

Ulta and MAX suffixes: represent the need for higher thrust combination, richer sound quality, and better potential.

Limited Edition suffix: It is a special edition with rich detail density and better warm and durable performance.

2.
The SPA Pro series has stronger professionalism, purer sound, higher fidelity, and moderate atmosphere for expressing emotions.
SPA-Pro, SPA-Pro Ultra, SPA-Pro MAX

Pro suffix: low impedance, high sensitivity, easy to drive, pure sound, perfect atmosphere and emotion

Ulta and MAX suffixes: represent the need for higher thrust combination, finer sound quality, and greater potential.

Parameter specifications：

Model:SPA-Limited Edition
Unit:11.4mm Titanium Gold Ball Top+Silicon Crystal EdgeDouble sided Composite Diaphragm Double Magnetic CircuitDouble Chamber Dynamic Coil Unit
Sensitivity:111dB
Impedance: 25 ohms
Frequency response range:5-40000Hz
Wire specification: 0.78MM dual pin LITZ coaxial bundle oxygenfree copper and silver plated wire mixed weave 1.20M

Product list：

1. [SPA-Limited Edition] In Ear Earphones * 1
2. Cable * 1
3. Earplugs * 7 (S, M, L)
4. Storage gift box * 1
5. Instruction manual * 1
6. lucky charm * 1

Characteristic:

1.SPA application the powerful dual magnetic Tesla magnetic coil technology.(N52 MAGNET:strong driving force.MAGNETIC FLUX>10000GS:abundant sense of energy)


2.SPA-Limited Edition adopts Titanium gold ball top & Double sided silicon crystal hanging edge innovation frontier combination.
Titanium metal vibration expansion modulus≈105~110GPa (Ultra low distortion titanium diaphragm ball top & ultra wideband double-sided vapor depositionsilicon crystaloscillator film hanging edge)

3.SPA explores the concepts of scientific and artistic tuning, with carefully optimized acoustic parameters.
(1).THD<0. 5%---Pure and natural tone
(2).Sensitivity>109 dB/mW---Easy to drive
(3).Intermodulation distortion<0.05%---Pure and durable tone
(4).Transient response time<3 milliseconds---Fast and clear rhythm
(5).Low frequency rebound < 40 milliseconds---Strong and obvious sense of rhythm
(6).Signal attenuation<0.5dB---The sound is transparent and delicate

BRAND CONCEPT

The EarAcoustic Audio brand is committed toproviding users with an ultra highquality audio-visual experience, witheach wired headphone productfocusing on precise reproduction ofsound and delicate conveyance ofmusical emotions. In terms of design,emphasis is placed on using elegant,simple, and exquisite lines, payingattention to the texture and comfort ofmaterials, ensuring high-qualitycraftsmanship, and selecting leadingacoustic technology materials toensure the durability and ultra-highsound quality ofthe headphones.