First Song: Lisa Ono's "C'Est Si Bon" from the album "Dans Mon Ile." Despite the E16 IEM boasting 16 drivers, it is surprisingly easy to drive. Setting the gain on the BEAM 3S to the mid-range produces a normal volume and energy. Listening to this song for the first time, I noticed that the sound is not thin, offering a suitable warmth and thickness that complements the jazz style well. The overall atmosphere is heightened, with vocals at a moderate distance and noticeable smoothness. While the warmth slightly reduces the level of detail, it enhances the immersive atmosphere, similar to the works of Wang Ruolin in the same genre. The high frequencies are beautifully silky, the mid-frequencies exhibit some coloring (particularly in smoothness), and the sub-bass, while not overpowering, subtly enriches the overall ambiance.
   Second Song: Maaya Sakamoto's "プラチナ" from the Japanese anime "Cardcaptor Sakura" OP3. This track exudes a strong nostalgic feel, instantly transporting me back to my high school days upon hearing it. The analysis remains at a standard level without any overpowering highlights. Maaya Sakamoto's voice is a highlight for me! Her vocals maintain a certain distance in this song, yet the details are exceptionally well-captured. There are no harsh sibilant sounds or unnatural distortions, and with a gentle mid-frequency touch, her vocals sound comfortably balanced. The low-end reverberation is subtle but adds a touch of depth to the sub-bass, just enough to enhance the overall listening experience. Third Song: Tsai Chin's "Just Like Your Tenderness" The marriage of the BEAM 3S and E16 replicates the essence of the song's title perfectly—gentle! Designed for HiFi vocal playback, this combination elevates the analysis, providing a more refined experience than before. Tsai Chin's vocals feel intimate, delivering robust imaging. The guitar exudes power yet maintains a delicate touch in its lines. The E16's sensitivity could act as a "background noise detector," but the BEAM 3S adeptly manages it. From my listening experience across various music platforms like Netease Music and QQ Music, there is no discernible background noise.
   Fourth Song: Charlie Zhou's "Blue Parachute" This track is not from UAPP or onboard music files but sourced from Netease Music. The aim is to assess the sound quality offered by mainstream music streaming services. While the BEAM 3S supports hardware decoding of MQA (certified for full unfolding), MQA resources are not easily accessible domestically. To explore the sound quality effects, lacking familiarity with foreign music apps, I opted for a vinyl membership subscription as an alternative approach. When considering the overall playback experience, encompassing quality perception, it is evident that the performance is slightly below that of UAPP. The resolution falls slightly short of the average standard, with some softening in the delineation of line edges; however, the warmth that enhances the ambiance remains consistent. This difference could be attributed to factors such as the player itself, the compression quality of online music files, and the unique characteristics of the headphones used. Despite these nuances, the sound output is highly satisfactory, whether enjoying fast-paced music or watching videos on platforms like Bilibili. In my audition comparisons, I juxtaposed the BEAM 3S with the flagship BEAM 3 PLUS, using the same headphones, and observed minimal differences. The BEAM 3S comes across as a simplified iteration of the BEAM 3 PLUS, omitting features like single-ended and Bluetooth functionality. If the BEAM 3 PLUS is the comprehensive flagship model, the BEAM 3S presents itself as exceedingly focused, notably featuring a solitary 4.4 balanced output. This design choice may entail higher headphone requirements for users. Nevertheless, priced at less than half of the BEAM 3 PLUS, the BEAM 3S offers exceptional cost-effectiveness. Opting to upgrade to headphones with a 4.4 plug for the BEAM 3S can yield significant benefits!

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